Verb (used with object), verb (used without object), : Their friendship began to curdle as soon as they became business rivals.    From Dictionary.com. 

The word curdled on her tongue, but she said it anyway.    From Wordnik.com.  [The Laird Who Loved Me] Reference

But when I clarified that the seven days were consecutive rather than over the course of a year, her expression curdled like old milk ".    From Wordnik.com.  [Does Not Exist] Reference

The mixture may look as if it is separated or "curdled" but don't worry.    From Wordnik.com.  [Jamie Schler: Valentine's Day Flourless Chocolate Truffle Torte] Reference

Mine never got “soupy”, but at one point did look kind of curdled, like over-whipped cream.    From Wordnik.com.  [project wedding cake: swiss buttercream | smitten kitchen] Reference

Many events of this kind in Bosnia leave the same kind of curdled aftertaste.    From Wordnik.com.  [The Independent - Frontpage RSS Feed] Reference

He positively dripped with a kind of curdled anger, the origin of which is difficult to grasp.    From Wordnik.com.  [QandO] Reference

Mixture may look a bit curdled, which is ok.    From Wordnik.com.  [Gingerbread Skeletons | Baking Bites] Reference

"curdled" seafood foam on an oyster tasted "like reflux" and the pork belly tasted.    From Wordnik.com.  [Latest News - Yahoo!7 News] Reference

Well, add another curdled pawn to that chess game.    From Wordnik.com.  [Ovechkin, Russian rap and Eminem] Reference

Scattering down the snow-flakes off the curdled sky.    From Wordnik.com.  [The Ontario High School Reader] Reference

This curdled into the bitterness of the McCarthy era.    From Wordnik.com.  [Between the Lines, Online: The Bush Deal] Reference

If the custard is cooked too long, it becomes curdled.    From Wordnik.com.  [Ontario Teachers' Manuals: Household Science in Rural Schools] Reference

In what condition is the egg when a custard is curdled?.    From Wordnik.com.  [School and Home Cooking] Reference

Value and use of sour milk -- cottage cheese, curdled milk.    From Wordnik.com.  [Ontario Teachers' Manuals: Household Science in Rural Schools] Reference

But their curdled liberalism is not just a political agenda.    From Wordnik.com.  [Curdled Politics On Campus] Reference

Hast thou not milked me as milk, and curdled me like cheese?.    From Wordnik.com.  [The Bible, Douay-Rheims, Book 20: Job The Challoner Revision] Reference

An opportunity of a lifetime had curdled into something else.    From Wordnik.com.  [A Director Confronts Some Dark Material] Reference

That it curdled my blood in terror and sent my red lips white.    From Wordnik.com.  [Poems Teachers Ask For, Book Two] Reference

As book followed book, too, the tone darkened, the humor curdled.    From Wordnik.com.  [Literature: A Voice For Dire Times] Reference

Entering the village, Hennepin saw a sight that curdled his blood.    From Wordnik.com.  [French Pathfinders in North America] Reference

Their heart is curdled like milk: but I have meditated on thy law.    From Wordnik.com.  [The Bible, Douay-Rheims, Book 21: Psalms The Challoner Revision] Reference

How they chased us, roaring so that our blood curdled in our veins.    From Wordnik.com.  [Roumanian Fairy Tales] Reference

In thrush the tongue is covered with white patches like curdled milk.    From Wordnik.com.  [The Mother and Her Child] Reference

Half of the milk he curdled for cheese, and half he kept for drinking.    From Wordnik.com.  [Stories from the Odyssey] Reference

Elias unconsciously deserted him at this time of need, and curdled Romeo.    From Wordnik.com.  [Harper's Young People, March 23, 1880 An Illustrated Weekly] Reference

Cream-of-Corn Soup: too thick? too thin? lumpy? well seasoned? milk curdled?.    From Wordnik.com.  [Woman's Institute Library of Cookery Volume 2: Milk, Butter and Cheese; Eggs; Vegetables] Reference

Why do you suppose or imagine there may be any other such curdled mountains?.    From Wordnik.com.  [The Bible, Douay-Rheims, Book 21: Psalms The Challoner Revision] Reference

Distending the curdled skin at the foothills, trying to determine the precise aspect.    From Wordnik.com.  [Deadheading] Reference

The coziness between Moscow and Hanoi, once comrades, had curdled into mutual contempt.    From Wordnik.com.  [Bush’s History Problem] Reference

The tonsils swell up and the follicles exude a thick fluid which looks like curdled cream.    From Wordnik.com.  [The Eugenic Marriage, Volume IV. (of IV.) A Personal Guide to the New Science of Better Living and Better Babies] Reference

Explain why it is that a curdled dressing can be remedied by adding it gradually to an egg.    From Wordnik.com.  [School and Home Cooking] Reference

If the dressing is thin and curdled, the oil has been added too quickly, i.e. it has not been emulsified.    From Wordnik.com.  [School and Home Cooking] Reference

If too much heat has been applied or the custard has been cooked too long, the result will be a curdled mass.    From Wordnik.com.  [Woman's Institute Library of Cookery Volume 4: Salads and Sandwiches; Cold and Frozen Desserts; Cakes, Cookies and Puddings; Pastries and Pies] Reference

Mothers are sometimes frightened when their children, seemingly in perfect health, vomit masses of curdled milk.    From Wordnik.com.  [A Practical Physiology] Reference

It affects the mucous membrane of the mouth; it appears in the form of small white spots that look like drops of curdled milk.    From Wordnik.com.  [The Eugenic Marriage, Volume IV. (of IV.) A Personal Guide to the New Science of Better Living and Better Babies] Reference

Undigested food is always present and in infants the curdled casein of the milk appears as white specks or lumps in the movements.    From Wordnik.com.  [The Eugenic Marriage, Volume IV. (of IV.) A Personal Guide to the New Science of Better Living and Better Babies] Reference