Humor...as in knock-knock jokes and other funnies.    From Wordnik.com.  [The Complete Guide to Writing SF Vol. One] Reference

As an extra bonus, he also told knock-knock jokes.    From Wordnik.com.  [I’m Working on That] Reference

They were telling the little girl knock-knock jokes.    From Wordnik.com.  [Bonnie McEneaney: The Spiritual Connection Within 9/11] Reference

Who or what is really there in a 'knock-knock' joke?.    From Wordnik.com.  [48 entries from October 2007] Reference

Want to hear my all time favourite knock-knock joke?.    From Wordnik.com.  [Making Light: Open thread 137] Reference

For some reason, I've been writing knock-knock jokes.    From Wordnik.com.  [Sparrow: Heard By a Bird] Reference

“Your boat tells knock-knock jokes,” said John Kern.    From Wordnik.com.  [Again to Carthage] Reference

It could be a lot more interesting than knock-knock jokes.    From Wordnik.com.  [Who's There?] Reference

Buy your kid a book of knock-knock jokes to keep him quiet.    From Wordnik.com.  [Liane Kupferberg Carter: 36 Ways to Wreck Your Vacation] Reference

Somewhere in there there's got to be a bad knock-knock joke.    From Wordnik.com.  [AFL-CIO's Internal Polling Shows Dramatic Gains For Obama Among Rust Belt Union Members] Reference

One of the stalls had a running series of knock-knock jokes.    From Wordnik.com.  [Nineteen Minutes]

The Adventures of Melody Yellowvan: Daniel tells a knock-knock joke.    From Wordnik.com.  [Daniel tells a knock-knock joke] Reference

He never remembered that the last knock-knock was orange, not banana.    From Wordnik.com.  [The microfiction contest thread] Reference

But no more knock-knock jokes unless you can deliver a true punchline.    From Wordnik.com.  [#67 ~ Rabid Lamb Comics « 1979 Semi-Finalist…] Reference

Lastly, I leave you with a knock-knock joke from the ever-loverly Aine Bina.    From Wordnik.com.  [Archive 2006-08-01] Reference

I got into a knock-knock joke marathon with H's 7 - and 4 - year old nephews.    From Wordnik.com.  [Best knock knock joke ever] Reference

ANDY SERWER, "FORTUNE" MAGAZINE: Well, yes, I've got a Martha knock-knock joke.    From Wordnik.com.  [CNN Transcript Jul 16, 2004] Reference

Some people are trying to teach computers how to understand knock-knock jokes.    From Wordnik.com.  [Coffee Break: Sept. 13] Reference

How does a kindergartener who just learned to read find knock-knock jokes online?.    From Wordnik.com.  [Dove's Eye View:] Reference

I mean, not knock-knock jokes or anything, but I constantly make situations funny.    From Wordnik.com.  [friggin' idiots!] Reference

And I laugh at farts and knock-knock jokes about lesbians as much as the next guy.    From Wordnik.com.  [found while packing] Reference

Would you please just open the door, and cool it with the ‘knock-knock’ jokes?.    From Wordnik.com.  [Beat 360° 10/13/08] Reference

Little grandson is fond of knock-knock jokes; this is one that Grandma taught him.    From Wordnik.com.  [Orange You Glad « Fairegarden] Reference

Time dares to tackle Graham Greene, with a header about as bad as a knock-knock joke.    From Wordnik.com.  [More Quickies : Edward Champion’s Reluctant Habits] Reference

Nursery rhymes are sometimes useful, as are television theme songs and knock-knock jokes.    From Wordnik.com.  [Excerpt: Secondhand World by Katherine Min] Reference

Or if they aren't, they are turning the whole damned genre into nothing but a knock-knock joke.    From Wordnik.com.  [Important Headlines!] Reference

I'll bet all kinds of pictures came up when you were doing the beep-beep, bang-bang, knock-knock.    From Wordnik.com.  [Predator]

He slammed the door and turned around - as he did so … ‘knock-knock’ on the window again ….    From Wordnik.com.  [Oh How We Laughed……But Not Too Loudly. « POLICE INSPECTOR BLOG] Reference

Suddenly there came another knock-knock at the gate.    From Wordnik.com.  [More Russian Picture Tales] Reference

So Ainge's teenage nephew, Owen Toolson, offered up a knock-knock joke.    From Wordnik.com.  [FanHouse] Reference

So it might not be quite the time to throw a knock-knock joke Frank's way.    From Wordnik.com.  [FanHouse] Reference

Steve and Allison mentioned the girls were in the knock-knock joke stage most kids go through.    From Wordnik.com.  [TheState.com: The Buzz] Reference

Shani needs a new training program that develops a sense of humor. 1,000 knock-knock jokes a day.    From Wordnik.com.  [Comments for No Fact Zone] Reference