I'm chuffed to have won.    From Wordnet, Princeton University. 

Verb (used without object) : The train chuffed along.    From Dictionary.com. 

British troops 'chuffed' to receive Queen's Christmas message of support.    From Wordnik.com.  ['We Ask A Lot Of You'] Reference

Joe thought New York was amazing, and he was "chuffed" to be in the Big Apple.    From Wordnik.com.  [Brian Oxman: A Night on the Town With Joe the Plumber] Reference

In the UK "chuffed" means "happy" as in "I was well chufffed to pick the winner in that race".    From Wordnik.com.  [Who Goes There - Pop Quiz] Reference

Also, still trying to figure out what "chuffed" means.    From Wordnik.com.  [SPORTSbyBROOKS] Reference

Bloom 'chuffed' at honorary degree (From Sutton Guardian).    From Wordnik.com.  [Your Local Guardian | Sutton] Reference

Stone admitted he was "chuffed" to have attracted a sponsor.    From Wordnik.com.  [AustralianIT.com.au | Top Stories] Reference

Orlando Bloom has said he felt "chuffed" as he received an honorary degree from the.    From Wordnik.com.  [Your Local Guardian | Sutton] Reference

Wonders what "chuffed" means in like REAL American English, exactly.    From Wordnik.com.  [Tasmin's violin goes naked!] Reference

And "chuffed" for the couple, and was confident they will enjoy "60 years of marital bliss".    From Wordnik.com.  [Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph] Reference

Hey this is for you, not the blog: but "chuffed" means "happy" or some variant thereof, no.    From Wordnik.com.  [Who Goes There - Pop Quiz] Reference

An armored engine chuffed along it, gaining speed.    From Wordnik.com.  [Crystal Rain] Reference

"We are very chuffed," said Bothma of the support.    From Wordnik.com.  [ANC Daily News Briefing] Reference

There was total confusion, which chuffed us no end.    From Wordnik.com.  [Bravo-Two-Zero]

My parents were so chuffed to see me looking so well.    From Wordnik.com.  [sheepdip Diary Entry] Reference

Gil Franklin chuffed up the stairs with surprising speed.    From Wordnik.com.  [Hunting Season]

He actually sounded really chuffed that I was not jealous.    From Wordnik.com.  [sheepdip Diary Entry] Reference

O I'm more than just chuffed ... entries before this.    From Wordnik.com.  [babycartercl Diary Entry] Reference

"I thought you were — How did it go — all chuffed out?".    From Wordnik.com.  [Blood Lines]

This time he looks chuffed with himself as he grins up at me.    From Wordnik.com.  [tequilamonky Diary Entry] Reference

He was so chuffed, it was "written all over his face" (ha ha).    From Wordnik.com.  [vintagegrrrl Diary Entry] Reference

He chuffed softly at me, and then laid his head down on my leg.    From Wordnik.com.  [Dead Beat]

Mouse chuffed out a breath in greeting and headed straight for me.    From Wordnik.com.  [Dead Beat]

And the cute BB guy was in school too so I was pretty chuffed too!.    From Wordnik.com.  [babycartercl Diary Entry] Reference

He was extremely chuffed and posed with it so I could take pictures.    From Wordnik.com.  [janedoe0 Diary Entry] Reference

I was so chuffed I nearly downed a fat bloke ambling across the road.    From Wordnik.com.  [The Vatican Rip]

I got her to eat a few bites of a carrot stick so I was quite chuffed.    From Wordnik.com.  [calmish Diary Entry] Reference

I got an email saying they'd be delivered on Tuesday, so I'm well chuffed.    From Wordnik.com.  [calmish Diary Entry] Reference

Jill's I know about and it's ok so yah but I got her card, heh I was chuffed!.    From Wordnik.com.  [fuct-up-girl Diary Entry] Reference

= D I was chuffed with that, and then he started asking who was gonna go first.    From Wordnik.com.  [fuct-up-girl Diary Entry] Reference

Maybe I'll take a photo of myself, looking chuffed, pointing at the book I read.    From Wordnik.com.  [Worthy of praise.] Reference

I'm really chuffed as they were one of the top two agents I wanted Jaya to sign with.    From Wordnik.com.  [tequilamonky Diary Entry] Reference

I'm well chuffed that I've come up with such a great idea but that's all it is, an idea.    From Wordnik.com.  [calmish Diary Entry] Reference

We were very chuffed at the time but strangely his points didn't reflect what he had said.    From Wordnik.com.  [tequilamonky Diary Entry] Reference

And we took photos of ourselves looking absolutely chuffed, at different locations in the game.    From Wordnik.com.  ['Happy Birthday! Is it your 18th?'] Reference

Obligatory FallNetter bit: Good to meet Carlton, who looked very chuffed with his Ravanelli joke.    From Wordnik.com.  [FallNews] Reference

I was really chuffed because I got it finished and looking beautiful in time for them to come back.    From Wordnik.com.  [sheepdip Diary Entry] Reference

I was sooooo chuffed because I have never EVER been able to finish a story before in my whole life.    From Wordnik.com.  [sheepdip Diary Entry] Reference