The man who always crashes too early. It is usually a result of high THC consumption.
"Jarrod is snoozin' right now. Lil Sleepy Mane lookin' ass."

"G, Zack is on that too what the fuck?"
by Lil Gone Boi March 6, 2016
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lil sleepy is usually referred to people who are just a lil sleepy or rapping, lil sleepy can also be referred to as a "gay faggot" who every male wants to have sexual relations with.
Jake: "Is that lil sleepy? I've heard he's got a big cock!"
Dan: "Is that true? Maybe that's why everyone wants to get with him."
by Daniel Negron March 8, 2023
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