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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.”

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

green sleeper

Eating too many Xanax and violently vomiting on your partners chest while having sex and promptly passing out on top of your partner sandwiching the vomit between your body’s
Jake got kicked out out of Ayanna’s house because he got her with the ole’ Green Sleeper.
by Yellatmyassrealloud October 26, 2019
mugGet the green sleepermug.

deep sleeper

When the homie is fast asleep with his mouth wide open so you make him take it all the way to the base and bust in his throat.
"Ew what's that in my throat?" "Tony left you a deep sleeper."
by dvdpigeon January 23, 2025
mugGet the deep sleepermug.

Project Moon sleeper agent

Fans of games made by indie developer Project Moon that will appear almost anywhere if one of their triggers is said or featured otherwise, examples include but are not limited to:

Red mist, name of a prominent character
Ideal, prominent theme for a story
A black mask covering someone’s entire face, a reference to another prominent character

Despite Project Moon having a statistically smaller fanbase compared to larger fandoms, sleeper agents will arrive in large numbers almost anywhere if any trigger is detected.
The name Project Moon sleeper agent comes from the fact that these persons will activate a set of behaviour when specific triggers are triggered like any sleeper agent and are fans of Project Moon, therefore Project Moon sleeper agents.
Person 1: Grr I’m so angry at person 2 I’m going to turn them into a fine red mist.
Sleeper agent 1: Bait used to be believable- holy shit is that the Red Mist.
Sleeper agent 2: The red WHAT?
Person 3: Oh the Project Moon sleeper agents are here.
Sleeper agent 3: Everyone get in here: summon a limbillion Project Moon fans
by Xavagery May 6, 2024
mugGet the Project Moon sleeper agentmug.

sleeper and keeper

When a girl is not a "Fuck and chucker" and worth keeping around because she is awesome.
I'm not sleeping with you till date 5/6 , I want to know you're not a "Fuck and chucker"

...i'm insulted you would even say that, you're clearly a "sleeper and keeper"
by Aljolympics June 24, 2016
mugGet the sleeper and keepermug.

Sleeper Hit

Someone who you personally find attractive (real or a fictional character), but most people don’t or at least don’t talk about how they’re attractive.
You know Ushijima? Yeah, he’s a sleeper hit.”
mugGet the Sleeper Hitmug.

Sleeper

A part of the cab or an attachment to a semi-truck often used for loads that travel a far distance. The sleeper contains one or two beds that are of decent comfort (in my opinion) especially with blankets. For two-person trucks, there is usually a bunk bed so that you and your passenger can sleep.
Driver: "We only have an hour left, we need to go to the sleeper"
Passenger: "Ok."
by trhsrthsrh April 7, 2021
mugGet the Sleepermug.

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