The act of eating a girl out while she shits on your chin, said shit will stick to your chin making it seem larger like Jay Leno's Chin.
Bratcher- Man i was tasting some cunt nectar from the goregous girl this morning and she shit on my chin! The worst part is when i backed away it stuck to my chin!

Tyler- Man thats called "The Dirty Jay Leno!"
by Tyler1994 March 19, 2011
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Giving a chance to someone but later taking it back just because.
Guy #1: yo do you think I can be the president of the club next year?
Guy #2: fo sho brah
Guy #1: cool!

-1 Month Later-

Guy #2: I want my spot back biatch
Guy #1: You just pulled a Jay Leno -_-
by Alapongtai January 20, 2010
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1. a burger that is offered when jay leno runs for president
mumbles went to burger king and asked for the jay leno for presidential burger

mumbles also asked for the conan o'brien burger too
by tree trunk slim August 5, 2010
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Using your chin to penetrate a women's vagina while eskimo kissing her butthole and telling poorly written jokes as she rides on top in 69.
You: "What's up with airline food?"
Her: "Oh yeah, daddy!"

I told that girl last night my name was Jay, I am totally Pulling a Leno on her later!
by DaddyUnicorn October 2, 2020
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Caressing a pet cat or dog but nuzzling it with your chin. Named after actor/host Jay Leno noted for his comedic wit and well-endowed chin.
I spent a few minutes lenoing my cat as she snuggled against me and purred.
by ElegantButler April 29, 2015
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To have a person insert their chin in your bum or vagina
That dude gave me the jay leno” “please jay leno me”
by thick daddy August 1, 2023
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don't be a Leno
by cunnilingus4000 November 22, 2021
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