Rap master Sir Mix-a-Lot has been given the Pop! treatment and is now looking forward to telling your collection to 'shake it'. This Pop! features Sir Mix-a-Lot wearing his black outfit and standing on a giant pair of butt cheeks, as seen in the music video for his 1992 smash-hit ...Rap master Sir Mix-a-Lot has been given the Pop! treatment and is now looking forward to telling your collection to 'shake it'. This Pop! features Sir Mix-a-Lot wearing his black outfit and standing on a giant pair of butt cheeks, as seen in the music video for his 1992 smash-hit single Baby Got Back.The song was a cultural phenomenon, and now you can own a piece of music history by adding the hilarious Sir Mix-a-Lot Pop! Vinyl Figure to your Funko collection today.