Definitions by P-Bubs

tier 15 

Tier 15 is an extended reference from "Adventure Time" where it refers to love. For example, tier 1 would be just eye contact, tier 7 would be holding hands, tier 15 would be, well, a blowjob.

Oh dude, he's at tier 15 with her!

tier 15 by P-Bubs September 17, 2013