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Often refers to "Jack-off instruction" or "Jerk-off instruction" Involves a girl or a guy "instructing" the audience how and when to stroke and how/when to ejaculate while often teasing or performing other sexual acts. It's mostly mixed with cosplay and other fetishes like foot worship, femdom and BDSM.
Saul: Holy shit dude, I've just busted the biggest load on some shit called JOI, you know of it?
George: Yeah, bro. My older sister used to film JOI when parents kicked her out
by EmporioF October 17, 2019
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May 5 Word of the Day
A catch all word to describe anything that is basic, uncool or untrendy. According to The New York Times, "cheugy (pronounced chew-gee) can be used, broadly, to describe someone who is out of date or trying too hard."

Things that are cheugy:

The New York Times
PT Cruisers
Goldendoodles

Australians

Addison Rae
White people
Billionaires

The person writing this definition
by Callmemaybe69 May 04, 2021
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Giving someone instruction on how to jerk off, and or masturbate for pleasure. JOI=jerk off instructions.
Sally gave her boyfriend JOI over the phone during phone sex
by KatieValdez September 05, 2018
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Acronym for Jerk Off Instructions. A POV porn niche where the porn girls give explicit and detailed instructions on how to jerk off.
Greg found out that he couldn't stroke to a fulfilling orgasm unless he was watching hot girls in JOI porn.
by sarasplayroom.com August 31, 2010
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A joi porno is a buere instructing you to walk off on her.... face tits ass etc
by Timber Tim February 20, 2018
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Jerk off instruction

A category of a pornographic video featuring a woman giving instructions to someone on how to masturbate.
Yesterday I came to JOI and it was so amazing.
by pzeudonym1 February 09, 2021
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Joi is the meaning of “ jerk off instruction “ it is most likely that it is used we 2 people having sex or sending nudes
“ do you wanna do joi right now cuz I’m horny asf
by yo_its_the_queen_ March 15, 2018
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