sleeper

When you aren't sure if someone is retarded. Something just isn't right

At Megan's birthday party everyone wondered if Ben was a sleeper since he kept hitting his head against the wall.

by Guad or Ed's July 12, 2018

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

sleeper boy

Someone who sleeps knowing their significant other will text them.

You are a sleeper boy. Goodnight sleeper boy

by Hedefinestofindawife February 9, 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

sleeper nerd

a person who is objectively attractive or seemingly “normal” but is secretly a huge nerd/really intelligent; or has an obsession towards something that isn’t mainstream.

“Woah he’s fine asf”

“Yeah i hear he’s obsessed with Lego though”
“Ohh he’s a sleeper nerd!”

by btl0913 December 16, 2023

Snow sleeper

When someone likes to sleep buried in snow after an avalanche, blizzard, etc.

I slept buried in a blizzard in the Arctic once, which makes me a snow sleeper!

by Rottmntfan99 July 5, 2023

Hot sleeper

When you awake from your slumber looking as wet as an otter's pocket.

Wow look at Ollie he's just woke up, looks like he's fell asleep on the bath he's such a hot sleeper

by Uniqueintheworld July 11, 2023