Top Definition
1. Something you have hidden up your ass. Most of the time when your hiding it from authority. After you keestered something, whats in your ass is your ass stash
Example: Prisoner #1-You still got that ass stash?

Prisoner #2-Yeah, I keestered that shit. We got some weed for later.
by keestermaster February 09, 2010
4 Words related to ass stash

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