Act like a sore loser (4)
I believe the answer is:
sulk
(Other definitions for sulk that I've seen before include "Be silent and morose" , "Pout" , "Be grumpy and unsociable" , "Act aloof" , "Bad mood" .)
I believe the answer is:
sulk
(Other definitions for sulk that I've seen before include "Be silent and morose" , "Pout" , "Be grumpy and unsociable" , "Act aloof" , "Bad mood" .)