the odor which permeates your jeans after a bar-hopping session.
I was in the bathroom to tinkle and just pulled my pants down, and it smelled just like my friend who doesn't shower. I thought wtf, but then remembered that I just spent several hours sitting in a barstool. I have random ass.
by ww2dumpling January 17, 2013
Top Definition
Used to refer to something or someone random, or of no particular importance, or even someone or something you might dislike.

The 'ass' part has no meaningful contribution and is therefore a random ass addition.
Sally: "Where's Paul"?
Martha: "I dunno, he left with some random ass girl from next door."

I was walking down the street the other day when some random ass guy walked up to me and asked me if I had seen his dog. Wtf.
by Seraph_7 January 06, 2009

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