When a standing male urinates between the legs of someone sitting on a toilet (who is also urinating). Often done as a sexual fetish or to save time when the bathroom line is long.
Becky: I have to go to the bathroom.
Martin: Me too! English Horseman?
Becky: What's that?
Martin: It's when I pee through your legs while you pee.
Becky: Please go away.
Martin: Me too! English Horseman?
Becky: What's that?
Martin: It's when I pee through your legs while you pee.
Becky: Please go away.
by RancorTrainer January 5, 2014
Get the English Horseman mug.