Sleeper

A mark ass bitch; someone who is a overall messy bitch but didn't show their true colors initially

Damn, dude Jess is one big sleeper for cheating on her man

by ScamuelJackson July 15, 2016

Sleeper

A song that people sleep on.

Bro what’s a good sleeper?

Listen to Tink she dope

by Ddffodk June 7, 2019

Sleeper

A girl who resembles the lowest of lows and has no additional value other than sleeping with them. You could sleep to the fact of having a romantic relationship. Usually referred to in a negative context

“Nah I wouldn’t go for her, she’s a sleeper”

by Odemanrondy August 22, 2023

Sleeper Cell

Someone of middle eastern or indian descent who has hidden in the states for a while as a secret terrorist.

“That nigga Nick Makki is a sleeper cell did y’all know that?”

by ballbuster24 October 23, 2023

bill cosby sleeper

Slipping sleeping pills into an alcoholic beverage and give that to their date and have sexual intercourse with them without them knowing it.

Bill was mad at his girlfriend hasn't had sex with him in a long time so he gave her a Bill Cosby Sleeper.

by dustylicious December 28, 2015

Sleeper

A type of car guy with a normal, stock looking car (like an everyday person would have), but the performance of it is intense; simply the undercover of the car community.

These people will

1. Focus on all go, no show.
2. Hunts down rich douchebags in their supercars, who brags about it being "faster"
3. Modify their car's performance (Turbo, Intake, tires, etc)
4. Be the most unexpected when law enforcement gets included

The imbecile in the Ferrari 360 is to late to realize the Volvo 242 with the roaring V8 was a sleeper car

by DeadassDefs May 23, 2018

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