Sleeper

A car that looks like a ordinary car on the outside and fast on the inside.

Person 1: I drive a 2001 Honda Civic
Person 2: That isn't fast!
Person 1: That is a sleeper
Person 2: What does sleeper mean
Person 1: A car that looks like an ordinary car on the outside and fast on the inside.

by Theguy86 August 10, 2021

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

Sleeper cell

When a based and red-pilled gamer has to control their power level, so that the unwashed masses don't start noticing anything.

SUSAN: Hey Mark, what do you think of BLM? They really help amplify the voices within marginalised communities, don't they?

MARK (Sleeper cell): Yes, love em!

by Buck Destroyer June 3, 2021

Star Sleeper

Someone who saves their virginity for a celebrity. They truly believe that at some point in their life, they will have a chance to fornicate with said celebrity.

Gabby is such a star sleeper. She won't stop talking about how she wants to bang Liam Payne from One Direction

by GabAram March 20, 2012

Fringe Sleeper

Noun.

Someone who often uncontrollably falls asleep to the popular american TV series Fringe.

Guy 1 "Dude, my girlfriend never has sex with me coz she always falls asleep during Fringe."

Guy 2 "Mate she is a total Fringe Sleeper"

by Ralthster August 13, 2012

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

No sleeper

Someone who is woke and aware of everything that is occurring around them

Billy-"Matt you high as a kite last night in Friday's watching the game and you were still able to realize that our waiter took an hour to come to our table to take our orders."

Matt-"no sleeper brah."

by Derogatory term June 14, 2018