1) A sudden quick movement.*
2) An action performed from the friction of two fingers most commonly the middle and thumb in which a sound is created, or a sharp cracking sound (onomatopoeia)*
3) A photograph, often associated with shot: snapshot*
Due to miscommunication of parties the next two definitions form near compelte opposites.
4) An interejection used to express something cool
5) An interjection used to express something displeasing or something that sucks
. It's alo used as a replacement for a profanity.