fool around
• act in a joking, frivolous, or teasing way.
• "I shouted at him impatiently to stop fooling around"
Similar:
play the fool,
act foolishly,
act the clown,
act the fool,
play about,
play around,
clown about,
clown around,
monkey about,
monkey around,
play tricks,
indulge in horseplay,
engage in high jinks,
mess about,
mess around,
muck about,
muck around,
lark (about),
lark (around),
cut up,
play the giddy goat,
piss about,
piss around,
arse about,
arse around,
bugger about,
bugger around,