brroooOOOOMMP Share definition Flag word used when shoving any solid object up another person's ass (eg. a cow, a tree trunk, the victim's head, ect.) "brroooOOOMMP" (Erik shoves a greyhound up Ryan's bunghole) "Haha! Got you, Ryan!" brroooOOOOMMP by ramdomoldman April 27, 2006 0 0 Get merch Get the brroooOOOOMMP mug. Buy Now — $32.95 See more merch