Improper, often rude behavior
But in private he indulged in horseplay and very coarse immorality.
In addition to these affronts upon the state religion, he insulted the intelligence of the community by horseplay of the wildest description and by childish practical joking.
Loose bottom strings: So you've gone for a swim or engaged in a little beach horseplay with friends to find that the strings on your bikini bottom have come undone.
Do not engage in rough, physical or sexually provocative games, including horseplay.
poltergeist incidents can be explained away as wicked horseplay there are others which, disturbingly, defy explanation.