Spur of the moment (4)
'spur of the moment' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for impromptu that I've seen before include "Unprepared" , "Off-the-cuff" , "On the spur of the moment" , "Piano piece" , "Without rehearsal or preparation" .)
'spur of the moment' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for snap that I've seen before include "Crack - shot" , "Crack; bite" , "Break sharply - a simple card game" , "Break under strain" , "Take a photo" .)