Swamp plug

The act of anal penetration with an unwashed member, plug, dildo, or otherwise insertable object after having had it inside another persons filthy unwashed ass.

(1) I can’t believe he gave me a swamp plug on the first date and never called me!!

I don’t even know what to do with his dirty but plug!!
(2) dad I can’t believe you gave mom a swamp plug on Christmas how did you even get anal from aunt Helena she’s been dead for years