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A set of breasts (or occasionally one breast) on a woman that are distasteful or awful in quality - be it in shape, size, color, or texture.
Yikes! That troll over there eating garbage has quite a set of gnar bags, I think they are inducing the premature birth of my child. Whoops! Its a still-born. Thanks troll.
by mrgnfnx February 16, 2009

Words related to Gnar Bags

boob boobs boogs breasts troll
totally fuckin radical

combination of gnar and bags
Holy shit dude, that Buckethead show was total gnarbags!!!!!!!!!!!
by jakeforthewin October 29, 2008