Sleeper’s breath

The pungent odour emitted from one’s oral orifice following a prolonged period of time closed whilst in deep slumber

‘Fletch, get away from me. You’ve got bare bad sleeper’s breath’

by X-Tina2 July 15, 2018

Secret sleeper

Someone who has consumed a large amount of alcohol and suddenly leaves the room or party to pass out without notice.

That Luther is always a secret sleeper, disappearing in the middle of the party.

by Modkrew16 December 28, 2013

Sleeper

Someone who you assume is just a normal guy because you only see him in hoodies and baggy jeans. Only to find out later when its summer that hes actually jacked as hell.

Friend1: Yo you know Jake?
Friend2: Yeah what about him?

Friend: Bro look at him on the beach.
Friend2: What the hell? Since when was he that jacked?!

Friend: He's a sleeper bro

by Sleeperagent1776 March 1, 2021

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 cell dick

When a normal or below average looking dude has a hella’ dick and knows how to use it. It must be both big in size and a great fuck to meet the requirement.

See also: sleeper cell fuck, when the dick just isn’t impressive.

Holy shit, Johnny is a total sleeper cell dick. That thing had to be at least 7” girth and god damn did it scrape all the right places.

by Girthmiester February 27, 2025

Sleeper booty

A girls butt that doesn't look good in most types of pants , however when the pants come off , or she wears tight yoga pants and similar pants her ass looks great. Like a sleeper agent Activates by a trigger for their mission, allowing them to transition from their "dormant" state to active. The sleeper booty is dormant until it she Activates it by making a choice to let those beautiful cheeks be seen in all their glory.

Damn baby your ass looks great in those! I didn't realize you had a been working with a sleeper booty.

by Goldgenfox January 15, 2025

sleeper fashionista

A person whose clothing rotation is typically mediocre at best, but during a formal event or other special occasion bust out such an elaborate outfit you would think they usually had better taste.

Damn, I didn’t think Derek could look that good! Doesn’t he usually wear plain t-shirts?

Yeah, he must be a sleeper fashionista.

by psuedofederal October 19, 2025