Snippy (4)
'snippy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tart that I've seen before include "Sarcastic" , "A bit sour, like flattish pie" , "Tasting sour like a lemon" , "Bitter - pudding" , "Biting - pastry" .)
'snippy' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for short that I've seen before include "Concise" , "Wanting" , "Limited in duration" , "Having little length" , "Of small duration" .)