boo snap Share definition Flag an EXCLAMATION!! : meaning a good looking chick or member of the opposite sex. ex. a hottie is walkin towards billy and terry. (billy)-" BOO SNAP!! twelve o' clock!"(terry)"ohh yeah, boo snap! WORD" boo snap by bludstone61 March 23, 2006 0 0 Get merch Get the boo snap mug. Buy Now — $32.95 See more merch