Answer: horsed

AnswerCrossword Clue
HORSED

Fooled (around)

HORSED

Played (around)

HORSED

Cut up, with "around"

HORSED
... around (roughhoused)
HORSED
Ponied up?
HORSEDCavorted boisterously: Sl.
HORSED... around
HORSED... around (cavorted)
HORSED... around (indulged in tomfoolery)
HORSEDCut up (with "around")