A buster bar is a sexual act drived from the sweet gooey treat from Dairy Queen it is When a man Is giving a girl anal then nuts in her ass and then she proceads to shit on his dick,he then puts his shitdick in her vagina.
"Boiiii I gave her the buster bar last night...shes got the stank pus to prove it "
by Boiiiiiiii1112356 August 28, 2019
Get the Buster bar mug.