Wiktionary
make merry
vb. (context intransitive English) To enjoy oneself in a jolly and festive manner.
WordNet
make merry
v. celebrate noisily, often indulging in drinking; engage in uproarious festivities; "The members of the wedding party made merry all night"; "Let's whoop it up--the boss is gone!" [syn: revel, racket, make whoopie, make happy, whoop it up, jollify, wassail]