The year 2015 continued 2014's greatest contribution to society: a renewed public interest in the derriere. Yes, it was yet another Year of the Butt, filled with songs, sketches, and commemorative toys. The pop culture obsession has seeped into dudes' minds, and now many so-called men have taken to Tinder to find partners with whom to engage in butt stuff. Here are some of the surprising ways they have broached up the subject.

1. Through basketball.

Slam dunk!
Slam dunk!
Sources: Reddit | Bye Felipe