1) wen u got dissed by someone
2)wen u did somethin hot (cool)
3)wen u did somethin rong wen u wer confident dat u wer rite
1) "if u ran as fast as ure mouth went, then u wood ov won won da marathon!" "Oh sNAp!" the otha peeple laughed.
2) he juggled 24 handballs. "Oh sNAp!" the otha peeple said.
3) "i noe the correct ansa!!! Its 32 squared!" "rong!" "Oh sNAp! HA HA HA" the otha peeple laughed histerically.
an oh-snap is a way of saying g-string, with out any of the guys knowing what you are saying. for instance, if you want to discuss what color every ones is, use the term oh-snap.
girl one: omg....u can TOTALLY see her oh-snap. what a slut.
girl two: HEY! IM WEARING AN OH-SNAP TOO!
girl one: oooh. 0.0 oh crap!