a misery guts

a misery guts

  (informal)
someone who complains all the time and is never happy Of course, your father, old misery guts, wanted to come home after half an hour because he was bored.
See also: gut, misery
References in periodicals archive ?
WITHOUT being too much of a misery guts it dawned on me that win or lose at Wembley in May, Everton have had a remarkable season.
WELL, I've been called a misery guts by someone named Chris Franks (never heard of him), for exercising my hard earned democratic right to air my opinions in Viewpoints.
No, but he IS a misery guts and he's arrogant and no matter how good an actor he is you can't get away from the fact he's got a face like a gnarled old Maris Piper.
Reggie said he was anything but a misery guts and was firmly behind the manager and the board.
I object to being called a moaner or a misery guts.