A sex activity where you and your partner/partners form a circle ass up, then a person in the center of the ass circle uses a lumpy cucumber to fuck a person of their choice. Then the two people swap places and the new person in the center gets to choose who to fuck with the lumpy cucumber.
Yeah i had a good weekend. Me and the boys had a lumpy switch around on saturday so i spent all sunday cleaning up.
by NotNotGeno January 11, 2021
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A phrase to describe the erection of a woman's clitoris during an awkward situation. Similar to a Lumpy but for woman.
Did you see that girl giving the speech she had a massive lumpy doo showing!
by Warning Guy May 19, 2021
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Pubic hair that has bumps , most likely herpes or some other form of STD.
I went down on her and she had a lumpy rug! She must get around!
by Dezire July 23, 2011
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An idea that will probably work, despite it being batshit stupid.
"Are you an idiot? That's a lumpy idea."

"Yeah, so let's do it."
by F.G. KOB June 1, 2022
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