S.A.W.F. stands for 'Super Awesome Winky Face' ;D
Commonly used during textual conversations, such as in IM or while texting, to express a sense of excitement (usually about something suggestive).
Half winky face + Half excited = ;D
Natasha: "OMG .. Xavier has such perfect skin & hair! He should TOTALLY be a model!"
Annie: "OMG I know right!" ;D SAWF
n. someone who is weak and/or lacking courage. A corruption of the word "soft". Can be used in exchange with the word "softy" or "marshmallow". note: the word must be spelled S-A-W-F all caps. Otherwise, it no longer has a meaning.
Did you hear that guy backed out on that fight? Shit, he's so SAWF.