"Arse"
It's actually Rhyming Slang for Rhyming Slang.
The correct rhyming slang for "Arse" is "Bottle & Glass"
but once people knew this the term couldn't really be used anymore without offending people. That prompted people to use the slang for "Bottle", which is "Aris-totle" as a slang for the first insult. "Aristotle" became "Aris" which in a London accent sounds the same as "Harris"

This has been in common London usage for well over a hundred years in it's current form.
"Do you wanna work overtime Dave?"

"Nah, stick it up yer Harris unless you're gonna offer time and a half"
by Dougal474 October 26, 2006
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A boy with dirty blonde hair, as handsome as Prince Charming stealing hearts from every girl he walks by. Harry is a trustworthy person and always keeps a secret. He's confident about his self but not cocky! If you have a harry as a friend make him your Best Friend. And if you feel like you have feelings for him don't even have any doubts it will all work out because Harry's are the best kind of guy you could have.
I wish Harry was my friend
by A_N_D.sugarplums😂🐨 December 27, 2016
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For some reason he’s just an utter retard
Harry: hi! I’m an utter retard please be my friend!
by Flasus iawn April 23, 2019
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A really really sexy person who has a 3 ft willy and can steal anybody’s girl, he’s exceedingly hot and fit and has a 20 pack , every girl loves him
Omg I love harry so much ! He has a massive willy ! Have you heard about Harry he’s really fit
by Meatlovinman October 19, 2019
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The exact moment a penis exits the vagina.
dude, i came right when i harrised that bitch. -Leuth, Alexander T.
by ZACH, kelly, erica July 14, 2010
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A person who has a fetish for chickens and roosters and fantasises about them sexually.

in extreme cases likes to engage in physical activity with the animals and insert fresh eggs into ones anus.
Did you read about that Dirty Harry. Poor Chicken.

Can you be a Harry and crack this egg in your ass for us?
by thehutchman02 November 28, 2013
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Harry is a guy with a massive penis and gets loads of chics
Damn he had a big cock but not as big as Harry's
by I luv sex January 26, 2017
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