The Brostoff Share definition Flag A dance in which the arm is extended fully and lifted and raised repeatedly. Knees may bend as well. Kid 1: Yo, what's that kid doing? Is he heiling Hitler? Kid 2: No, he's just doing The Brostoff The Brostoff by jfeldz November 14, 2012 0 0 Get merch Get the The Brostoff mug. Buy Now — $32.95 See more merch