Answer:

groans

Answer	Crossword Clue
GROANS	Pun responses
GROANS	Ululations
GROANS	Music to a punster's ears

GROANS	Haunted house noises
GROANS	Responses to poor puns
GROANS	Reactions to puns, perhaps
GROANS	Pained reactions
GROANS	Reactions to bad jokes
GROANS	Is overburdened
GROANS	Arena sound effects.
GROANS	Mournful sounds.

GROANS	Disapproving sounds
GROANS	Sounds of anguish
GROANS	Sounds of dismay
GROANS	Stadium sounds
GROANS	Bad jokes produce these
GROANS	Sounds of strain
GROANS	[Not again!] and [I can't!]
GROANS	Sounds like an old floorboard

GROANS	Haunted house sounds
GROANS	Reacts to pain or a pun
GROANS	Bad-pun responses
GROANS	Reacts to a bad joke, perhaps
GROANS	Pun reactions
GROANS	Utterances of disapproval
GROANS	Pun responses, perhaps
GROANS	Reactions to bad puns

GROANS	Unwelcome audience sounds