Definition of "snap"
snap
noun
countable and uncountable, plural snaps
(informal) A photograph; a snapshot.
(colloquial) A rivet: a scrapbooking embellishment.
(slang, dated) A brief theatrical engagement.
verb
third-person singular simple present snaps, present participle snapping, simple past and past participle snapped or (obsolete) snapt
(transitive) A video of a person snapping their fingers.Alternative snapping techniqueTo snap one's fingers: to make a snapping sound, often by pressing the thumb and an opposing finger of the same hand together and suddenly releasing the grip so that the finger hits against the palm; alternatively, by bringing the index finger quickly down onto the middle finger and thumb.
interjection
adjective
not comparable
(informal, attributive) Done, made, performed, etc., quickly and unexpectedly, or without deliberation.