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sleeper nerd

a person who is objectively attractive or seemingly “normal” but is secretly a huge nerd/really intelligent; or has an obsession towards something that isn’t mainstream.
“Woah he’s fine asf

“Yeah i hear he’s obsessed with Lego though”
“Ohh he’s a sleeper nerd!”
by btl0913 December 16, 2023
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Slurp sleeper

A person who slurps in their sleep
“Ash is such a Slurp Sleeper
by Booty licker 69420 February 19, 2022
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movie sleeper

One who tends to sleep through movies shown at theaters, or on TV, YouTube, Netflix, etc., no matter how "exciting", "scary", "funny", or even "sexy" the movie might be (to others, anyway!).
Dude #1: "I was practically bored to DEATH by that movie, even though it IS the 'blockbuster of the Summer'!"
Dude #2: "Yo, I almost faded out like a light, while seeing that flick, too! So, you ain't alone, homie. Welcome to...the MOVIE SLEEPERS' CLUB!"
by mastergeemoe July 23, 2015
mugGet the movie sleepermug.

sleeper

In car terms, a sleeper is any car that only has performance modifications and no visual mods. AKA "All bite and no bark"

A sleeper is the complete opposite of a ricer.
(Btw, the sleeper here is the 350Z Driver)

Ricer: "LOL, look at that 350Z. It suxxx. Mah Civic is better in EVERY WAY POSSIBLE."
Z Driver: "I see you're challenging me to a race."
Ricer: "Yo, imma show yo the real power of zis Civic. We race. And I shall win. I'm serious."
Z Driver: "Don't even try. I've got more important matters to attend to--"
Ricer: "YOU SHUT UP! WE'LL RACE, AND I'LL WIN, AND I KNOW IT."

-a little while later-

Ricer: "Goddamn it! YOU N00B! GET BACK HERE FOOL"
Z Driver: "No u."
(Z Driver drives away doing the "lol internet")
by N00berman October 22, 2011
mugGet the sleepermug.

Sleeper Lefty

An individual who identifies as conservative but unknowingly holds or supports left-wing political views. Derived from the term "sleeper agent."
“We need to return the
ownership of these huge corporations to everyday folks, the people who do the work. It's the only way to stop their socialist agenda.”

“I think you might be a sleeper lefty man”
by tasimb May 29, 2025
mugGet the Sleeper Leftymug.

Sleeper

An old terminology of a stake big long bit of wood with tar on the bottom to hold fencing in used in farms Sometimes is called a sleeper or railway sleeper. To hold custom fencing up 1 stake some tacks and a bit of chicken wire.
Sleeper noun "Here is the sleeper place it in the ground upright and start hammering it into the soil"
by 90sEraKuregi August 11, 2021
mugGet the Sleepermug.

Pussy Sleeper

When a girl doesn't wear underwear while sleeping. Has her pussy out
Stim: Yeah man, I walked into nykiah's room and tried waking her up.. she had NO pants on, she's a pussy sleeper..
by IRADIATEYOUHOES January 8, 2021
mugGet the Pussy Sleepermug.

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