Flip out (4)
'flip out' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for snap that I've seen before include "Break off - card-game" , "Crack - shot" , "Picture" , "Break under strain" , "Be irritable at the card game" .)
'flip out' is the definition.
(I've seen this in another clue)
This is the entire clue.