brass shower Share definition Flag When you fill a French horn with piss and play it over someone laying in a bed. Showering them with your warm spit and piss. Yooo, I'm really into this band chick. You think she would be interested in a brass shower? brass shower by Kungpao_ November 23, 2019 0 0 Get merch Get the brass shower mug. Buy Now — $32.95 See more merch