mike: wobby wanna come over for some gb's bruh?  wobby: nah i'm finna take butthole gb's  mike: aight but faz's butthole got that loud pack tho
a butthole gravity bong is a device that concentrates marijuana smoke to a degree that leaves the smoker stupid high
"mike: wobby wanna come over for some gb's bruh?  wobby: nah i'm finna take butthole gb's  mike: aight but faz's butthole got that loud pack tho" What is the definition of "butthole gb's"?