Blow bros Share definition Flag The equivalent of Eskimo bros, but pertaining to oral sex. When two men receive oral sex from the same girl. But not simultaneously. "Josh and Sam both got head from that Sadie girl." -Tanner "So they're blow bros?" - Braeden Blow bros by B-lukky October 10, 2013 0 0 Get merch Get the Blow bros mug. Buy Now — $32.95 See more merch