horse around

to engage in attention-getting playful or boisterous behavior the boys were horsing around on the boat when one of them fell overboard Synonyms act up, clown (around), fool around, cut up, hotdog, monkey (around), showboat, show off, skylarkRelated Words carry on, misbehave; roughhouse; caper, cavort, disport, frisk, frolic, gambol, lark, rollick, romp; carouse, maffick, revel, roar, wassail