Sage The Gemini is a rapper from Bay Area, California, who first gained notoriety when both this cut and "Gas Pedal
" went viral on the internet. The song title refers to the strain of Pit Bull Terriers known as Old Family Red Nose. Pit Bulls are notorious for biting, and like other dogs, they shake things as they chew. Sage is asking here the girl to shake her rear like a Red Nose Pit Bull shakes its head.