To smack dubs involves the act of sexual intercourse in the style of the dog. In order to understand this we must first define dubs. Dubs is the combination and adjoining of the left and right gluteous muscles, also knows as the booty, ass, cakes, cheeks, dumps, or junk in the trunk. To smack dubs refers to the sound of the pelvic girdle and testicles striking against the said "dubs". There is continual thrusting until either of the two subjects climax and skeet errwhere.
Yo nigga, i almost broke that bitches hip when i was smackin dubs ya feel me? ahhhhhhhhhhh. I dont play bout that shit cuh.