Wisconsin Otter Slop 

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.

Wisconsin Otter Slop by Gnarly Hands April 26, 2011

Wisconsin Otter Slop 

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.

Wisconsin Otter Slop by Rico Hancho May 16, 2011

Wisconsin Otterslop 

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?

Wisconsin Otterslop by Colorful Otter May 1, 2011