Top Definition
Common among military tuck drivers deployed to Iraq. Occurs when the seat of the vehicle absorbs the swamp ass from one driver then before it can dry another driver mixes their own sweaty swamp ass in the seat cushion resulting in a swamp ass soup.
Dude, you swamp assed this seat. So. Well I got swamp ass too and now we just created swamp ass soup.
by immortalsoldier December 13, 2013

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