v. to play the fool; to behave thoughtlessly and frivolously.
v. To leap; to caper; to romp noisily.
the GNU version of the Collaborative International Dictionary of English
verb-intransitive. To leap; to caper; to romp noisily.
The Century Dictionary and Cyclopedia
To indulge in riotous and noisy mirth.
Word Usage
"The confusion comes from the similarity of the noun hoi polloi and the adjective hoity-toity, a rhyming compound from the English dialect term hoit, “to play the fool,” which has come to mean “foolishly snooty.”"