| frowned-upon behavior |
| fun and games(noun, expression, idiom, play, misbehavior) |
| funny business(noun, expression, trouble, nonsense, mischief) |
| gag(trouble, trick, fun, humor, joke) |
| gaiety(noun, play, pleasure, excitement, sport) |
| gambol(noun, verb, play, pleasure, excitement) |
| game(noun, play, pleasure, excitement, twist) |
| go places and do things(verb, expression, idiom, frolic, romp) |
| good |
| good time(noun, expression, play, pleasure, excitement) |
| grins(noun, play, pleasure, excitement, sport) |
| ha-ha(noun, trick, fun, humor, joke) |
| harlequinade |
| hijinks(noun, play, misbehavior, tomfoolery, rowdiness) |
| hoax |
| holiday(noun, play, pleasure, excitement, sport) |
| hoodwinking(trick, fun, humor, gag, witticism) |
| hooliganism |
| horse around(verb, expression, phrasal verb, frolic, romp) |
| horsing around(noun, verb, expression, phrasal verb, trouble) |