A euphemism for sexual intercourse.
The name itself stems from the "Lenny Face" meme, which has suggestive origins in it's own right.
Fred: Hey, Dave?
Dave: Yeah?
Fred: How did your date go, last night?
Dave: Oh, we chatted, had a couple of Drinks, and later, we ended up Lennying.
Fred: ( ͡° ͜ʖ ͡°)
Dave: ( ͡° ͜ʖ ͡°)
by norTnoJ December 05, 2016
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As in Millennial or Millennials

Mil-Lenni-al

A dirogitory word user to describe a millennial when that person does something retarded.
Lenni /Lennies: a millennial or multiple Millennials doing something retarded.

Mike: "HOLY SHIT! Did you see that kid just get hit by that car?"

Chris: " Yup, he was staring at his cell phone trying to catch a Pokemon ."

Mike: " What a fucking Lenni."

Chris: " Fucking Lennies ."
by Chris@bennettelectric.org August 20, 2016
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( ͡° ͜ʖ ͡°)
Lenny = ( ͡° ͜ʖ ͡°)
by TidePodIngebrigtsen69 November 12, 2016
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An amazing guy with the best smile & the cutest laugh. Lenny will make you love him forever, don't ever take him for granted. He's perfect.
"Did you see Lenny? He's so gorgeous."
"Where is Lenny, I wanna marry that boy!"
by Marbby October 26, 2011
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Getting so shit faced that you end up with no money in your bank account, 300$ concert tickets, a thong hanging above your bed and no memory of the night before.
Guy 1: "Dude, I got so wasted last night and now I cant find my car."

Guy 2:"You were Fuckin Lennied dude!"
by Katieaimee September 24, 2008
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A bright, intelligent, beautiful individual; A person who fits the definition of a Lenny is always extremely sexy, attractive, and kind, with the ability to make everyone happy.
Basically, an altogether perfect individual.
The trademark for a Lenny is slightly long, curly hair and brown eyes.
"Wow, we need to meet him. He's so Lenny."
"His hair is sooooooo Lenny."
"Have you seen that new guy yet? No? Well, he's such a Lenny."
"I saw a guy yesterday who fit the definition of a perfect Lenny. He was so sweet!!"
by Emmy =] January 09, 2012
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