Top Definition
An acronym for "I Am So F-ing Sorry", a sarcastic apology, typically issued in a chat room, forum, or text message communication.
AirEck: Hey guys, check out this funny YouTube video (link).
Deepek: Repost, loser!
AirEck: IASFS, Deepek

by Slowpoke330 January 27, 2008
i am so fucked
e.g person1: we have a test 2morrow, u revised

Person2: no iasf!!!
by Shanaza February 21, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.