Answer: soreloser

AnswerCrossword Clue
SORELOSEROne who's no fun
SORELOSERWhiner who wants to be a winner
SORELOSEROne who gets upset twice?
SORELOSEROne moaning and groaning after a defeat
SORELOSERWhiner, of a sort
SORELOSERSour grapes type
SORELOSEROne who storms off, maybe
SORELOSERExcuse maker, maybe
SORELOSEROne who refuses to shake hands, maybe
SORELOSEROne might refuse to shake hands
SORELOSERBad sport
SORELOSERSpoilsport of a sort
SORELOSERHe's irritated when mated
SORELOSERCourt crybaby
SORELOSERGrumbling one, perhaps
SORELOSERUngracious one
SORELOSERUngracious type
SORELOSERBoard flipper, maybe
SORELOSERPostgame finger-pointer
SORELOSERCrybaby of a sort
SORELOSERUngracious also-ran
SORELOSERSour grapes player
SORELOSER"You got lucky" mutterer
SORELOSERPoor sport
SORELOSEROne griping about being knocked off
SORELOSERHardly the gracious type
SORELOSERWhiny type, maybe