deff out

to leave your friends to hang out with your boyfriend of girlfriend.

As soon as she started going out with Tony she completely deffed out and left Amanda.

by maggie February 25, 2004

perfy derfy

a phrase that you can tell some one when they are being so perfect. since you don't feel like using the whole word "perfect" you use this phrase.

can also describe a human being/inanimate object and can replace someone's name.

i just ate a thousand candy bars.
omygod. that's so perfy derfy.

hey looks it's perfy derfy!
where?!?!
over there! by the perfy derfy mailbox.
wow. such a perfy derfy.

by perfyderfy queen. February 27, 2011

durff

the area between the scrotum and the anus. named after the noise you make when someone kicks you there.

"you bitch! you kicked me in the durff

by slimey January 13, 2005

Derfunkenscrewden

When things have gone really wrong. Or when something dosn't work.

Jim-"My computer wont turn on."
Bill-"It must be derfunkenscrewden."

by Dany Richardson September 10, 2005

Deffo Jeffo

It means Definitely. Deffo is short hand for Definitely, just add a Jeffo for coolness!

Q 'You want to go to the movies?'
A 'Deffo Jeffo!'

by rachcook182 March 21, 2007

derf

a exclamtion of stupidity...see also duh

"oh i remember where i put that....derf!"

by jaci inspired by alex February 24, 2003

derfing

the act of fucking a girl who is way below any normal standards

person 1:so i heard you went derfing last night.
person 2:yeah, I took pcp.

I wanted to go derfing, to I found the girl nicknamed Trailer Trash.

Bonus points if they have a kid.

by fred v. September 15, 2006