sleeper 

To start having sex with somebody while they're asleep.

Mike was laying down on the ottoman so i gave him a sleeper

sleeper by Phillip MaCrevice November 29, 2003

Sleeper 

A creature, in this case a human, who frats so hard he occasionally (always) falls asleep in whatever frat pose/location he finds himself in.

"Hey check out the sleeper"

"Oh, standard.... Lets take pictures of shit on him, like beer cans, asses, and sorority girls and put them online"

Sleeper by Mr. Fletcher June 5, 2013

Sleeper 

A heavy punch delivered that knocks out the opposing side in one hit.

Taylor swift would've thrown an absolute sleeper if her and Kanye actually stepped in the ring.

Sleeper by Golden Peggy May 14, 2018

Sleeper 

(n) Woman who invites herself into your bed, when morning comes does not leave, does not acknowledge subtle hints to leave, makes herself at home. (Editors Note; Sleepers natural evolutionary path is into Bunny Boilers; when one is encountered it is advisable to cease and desist any and all communication while still possible before life and family jewels are still entact)

"Dirk, where are you? Your late, your going to miss the game"
"Sorry, I am having trouble getting this 'Sleeper' out of my house"

Sleeper by Dirk Longfellow June 15, 2006

sleeper 

a wwf style choke hold used by huge drunk rednecks to entertain fellow 30 year old inbreds

dude i just fucking beat that bitch down with the effin' sleeper she was acting like a mega clit rag....

sleeper by Walker Texas Ranger December 28, 2005

sleeper 

Antiques or jewelry items that have been stolen and hidden away. Chiefly of British usage, a sleeper is an item of antiquity, generally of known provenance, stolen and cached, sometimes for years, until it can be sold to a private buyer or exchanged.

"A sleeper is an item that has been deliberately hidden, usually because it is hot." Lovejoy, "To Sleep No More," 1987.

sleeper by eric_catchpole October 30, 2008

Sleeper 

Someone who falls asleep fast , usually right after sex .

I brought this fine girl home last night and when I tried to go for round 2 i learned she's a sleeper !

Sleeper by teehee1415 June 28, 2011