noun
ADJECTIVE
▪ amusing , crazy , playful
▪ wacky , zany ( both informal , esp. AmE )
▪ childish
VERB + ANTICS
▪ get up to ( esp. BrE ), perform
▪
The youngsters got up to all sorts of amusing ~.
▪
a comic who performs wacky ~ on his TV show
▪ be amused by , enjoy , laugh at , smile at
▪
She was laughing at his ~.