shake (one's) booty(redirected from shake their booties)
shake (one's) booty
slang To dance in a wild or free-spirited manner. Let's go get some pizza and then shake our booties at that new club downtown!
shake your bootydance energetically. informal
Booty in this context means ‘buttocks’ (it originated in African American slang in the 1920s, probably as an alteration of botty , itself a shortened form of bottom .