When your back runs into your hamstrings because of the lack of ass. This is in reference to where your asshole should be if you had an ass (asshole). The equivalent of a kankle for your missing cheeks.
Mags, quit bending over! Your ham hole is showing! …..bro, where’d your ass go?
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi