John Watson from the BBC series Sherlock. Sherlock calles John "Jawn" because well, he's Sherlock, and he can do what he wants. Also Johnlock.
Sherlock: JAWN! hand me my phone!
Sherlock: Jawn.
Sherlock: yes, Jawn, obviously.
by JAWN! November 4, 2013
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A slang word used in Philadelphia to replace a noun: can be used as a person, place, or thing
Pass me that jawn.
Were you at Devon's jawn last night?

Have you seen Keisha? Her jawn looks good.
by Gabby, a Philly native May 11, 2020
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Unlike the Pennsylvania slang, jawn in Rhode Island means a vape or to vape. Before vapes, jawn meant a joint or blunt.
“Bro I just got caught jawnin in the school bathroom
by The 8inch Dean June 28, 2018
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Originated from Philly
This term is now used largly through NEPA to refer to any type of vaporis devise. Yet it can also be used in place of any noun.
"Yo, let me hit that jawn."
"I miss my jawn."
by Gau18 April 10, 2018
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Can mean anything you want it to mean. Must be a Person, Place, or Thing.
I saw this jawn at tha mall. She was dark and sexy.

Where did u put tha jawn? (Replace jawn with any word u like).
by Gbanks!! March 3, 2011
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A word used by Philly cats to describe anything and everything
Man that jawn was such a jawn last jawn when we were jamming that one jawn Dow the jawn from that jawn
by DickLoverPicklePenatrater101 November 3, 2017
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A word Aidan Griffin made up 1 year ago he made it up and he’s a real king
by ObxyWondrous March 3, 2022
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