noun; blending and clipping
Acne on the posterior, or butt. Compact word able to describe acne on a location of the body.
Plus, sweat clogs pores and can lead to body zits,a.k.a backne, chestne, and yes, the dreaded assne.
Etymology : assne. Clipping/Blending of back + (ac)ne
Source : Men’s Fitness
Last modified: 10 June 2008