Definitions by cunning stunts

ysd 

you're so dumb

Dan: I feel so bad for you! ifsbfy
David: Why?
Dan: Cus ysd!

ysd by Cunning Stunts October 4, 2012

ifsbfy 

I feel so bad for you

David: Dan, don't you have a midterm tomorrow?
Dan: Yeah, I haven't even started to study.
David: It's freakin' 2am in the morning, why have you been redditing for the past 6 hours?! ifsbfy, ysd.

ifsbfy by Cunning Stunts October 2, 2012

mandruff 

dead skin, concealed beneath facial hair, that flakes away when you play with it, leaving a trail of snow down the front of your shirt. very similar to the concept of dandruff, but mostly only applicable to men.

dude, you've got mandruff. shampoo your face.

mandruff by cunning stunts September 29, 2009