A blow job given to a standing male while the sitting female is urinating. To completely nail this sexual position the toilet seat should break.
"Oh man I had the best dirty janice ever last night"

"We had to go to home depot to buy new parts for the toilet seat she broke while giving me a dirty janice"
by BJ8520 October 15, 2009
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When you put it in the wrong hole and she starts death rolling like an alligator.
It was going great until I rammed her bum hole and she pulled a dirty Janice.
by Clgordon21 October 18, 2021
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