Top definition
A sex act involving a an autographed Louisville slugger baseball bat, a can of spam, and two plungers.
Jane: Wanna do something kinky tonight?

John: How about a Louisville Plugger

Jane: Get out of my house you sick pervert
by Yttrium December 21, 2004
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
The act of using a metal baseball bat to cram illegal substances into your anal cavity.
Howard could no longer get high by smoking the meth, so he had to use the Louisville Plugger to get the job done.
by Herbie Hancock October 11, 2019
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