1 definition by Mr. KindaSmartGuy
When 2 or more people open their buttcheeks and lock them together, essentially touching buttholes and grinding for sexual pleasure.
Guy 1: Yeah, me and Tiffany hooked up last night
Guy 2: Sick, did you guys buttlock?
Guy 1: Yeah dude, she has a soft butthole
Guy 2: Nice...
Guy 2: Sick, did you guys buttlock?
Guy 1: Yeah dude, she has a soft butthole
Guy 2: Nice...
by Mr. KindaSmartGuy May 13, 2019