:-!

It stands for everything. Embarrassment, pride, hilarity, shame, etc.

BuddyA: I just saw Spiderman 2 this weekend.
BuddyA: :-!
BuddyB: Cool.

by Captain Obvious April 2, 2004

:-!

An emoticon smokin a spliff/joint.
Used to express a desire to burn/having burned recently

A: What's good for tonight?
B: :-!
A: Nice. I'll be over in 5

by I am tired February 27, 2011