whoop it up vs make merry

whoop it up and make merry both are verbs.

Word	Noun	Adjective	Verb	Adverb
whoop it up	No	No	Yes	No
make merry	No	No	Yes	No

As verbs, whoop it up and make merry are synonyms defined as:

whoop it up and make merry: celebrate noisily, often indulging in drinking; engage in uproarious festivities

Other synonyms of whoop it up include jollify, make happy, make whoopee, racket, revel, wassail.

whoop it up (verb)	make merry (verb)
celebrate noisily, often indulging in drinking; engage in uproarious festivities	celebrate noisily, often indulging in drinking; engage in uproarious festivities