Reverse Dictionary: HORSEPLAY

NOUNS
GAMMOCKING rough horseplay; playing about in a foolish manner → 1900 Eng. dial. (Bk.)
HORSE horseplay; fun → 1895 Amer. students’ sl.
SACKING a type of horseplay; it started by ‘dogging’ the victim; one boy would jump on the victims back, another would job on his back, and the third, and so on; finally something would have to give and when they fell everyone yelled ‘sack’ and piled on → 1957 Amer. dial.

VERBS
BAMMEL to knock, to beat; to indulge in horseplay → 1898 Eng. dial. (Bk.)
BICKER to indulge in rough or indelicate horseplay → 1911 Sc.  (Bk.)
FAG AROUND of presumptively heterosexual male friends: to joke around or engage in horseplay → 1997 US sl.
HORSE to indulge in rough jokes or horseplay; to fool around; hence, to waste time in trifling activity; also, to philander (now usually with ‘around’)→ 1900 US sl.
PLAY HORSE to play the fool or engage in horseplay → 1892 US sl.
YARK to be noisy, to indulge in horseplay → 1807 Eng. dial.