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The act of masturbating utilizing melted Otter Pops as lubrication.
When we saw the stains Tyler's bed, it became clear that he had been Wisconsin Otter Slopping all afternoon.
by Gnarly Hands April 07, 2011
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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
To masturbate using an OtterPop, or Freezee, depending on locale. Unleashed a torrent of colorful cold pleasure on those who chose to embark upon it's journey.
Chris: Oh man, why are the sheets all rainbow colored?

Alex: Tyler was doing the Wisconsin Otterslop

or

Alex: TYLER! Why were you doing the Wisconsin Otterslop on the bed?

Tyler: It... Felt.... Good?
by Colorful Otter April 12, 2011
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3
The use of Otter Pops to enhance sexual self pleasure (masturbation).
We walked into the room and saw Tyler performing the Wisconsin Otter Slop. The cleaning lady didn't understand why there were blue, orange and green stains all of the bed sheets.
by Rico Hancho April 24, 2011
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