phrasal
1. : to celebrate riotously or noisily : carouse
a bunch of the boys were whooping it up in the Malamute saloon — R.W.Service
mobs of drunken men were whooping it up — S.H.Holbrook
2. : to stir up enthusiasm : beat the drum
tried to whoop it up again afterwards in the Senate — New Republic
whooping it up for tribal self-government — Oliver La Farge