Green’s Dictionary of Slang

brewha n.

also brewhaha
[puns on brew n. (4) + SE brouhaha]

(US campus) a can or drink of beer.

[US] P. Munro Sl. U. 45: brewhaha / brewha / haha / ha can of beer, drink of beer.
at www.lasalle.edu 🌐 The BrewHAHA is a site dedicated to the fine art of home brewing.