whoop it up

Arouse enthusiasm, especially politically, as in The volunteers' job is to whoop it up for the candidate . [ Slang ; late 1800s]

Also, make whoopee . Celebrate noisily, as in After exams they decided to whoop it up at their apartment , or Down in the basement the residents were making whoopee . The variant may be dying out. [ Slang ; late 1800s]