Definition of snap:
(n) :
a quick
breaking or
cracking sound or the action of producing such a sound; a sudden break
"a ginger snap"
(v) :
to break apart
suddenly or at once; to give forth or produce a sharp cracking noise; to crack
"he snapped at me for the slightest mistake."
(interjection) :
the winning cry at a game of
snap; used in place of expletive to express surprise, usually in response to a negative statement or news; often used
facetiously
"I just ran over your phone with my car." "Oh, snap!"