Top definition
The art of rubbing one out, masturbating, having a pull in the bath. The sound caused by the motion of the act resembles a slopping or shlopping sound - hence the derivative of the name "shlop dog"
I just had a shlop dog

How was your shlop dog?

I caused a bit of a mess while having a shlop dog.
by noodleluca August 18, 2010
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