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
John: How about a Louisville Plugger
Jane: Get out of my house you sick pervert
by Yttrium December 21, 2004
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