Undercover Fatass

Somebody who, despite being extremely skinny, eats constantly and always speaks of being hungry.

Are you kidding me? She made me stop at McDonalds three times on the way over here. She's an undercover fatass.

by I'm at a loss for names. June 23, 2010

Undercover Gamer

Someone who's actually a Chad, posing as a gamer.

And not the good kind of Chad.

He's an Undercover Gamer that's actually a Chad.

by Mr. Krabs Felt It October 31, 2020

undercover roomba

When your going down on a girl under the covers and making a motorcycle noise while slapping your face against her clam

I'm gonna give your mom an undercover roomba tonight

by Catt July 18, 2017

undercover waterfall

The act of urinating on your partner while they are asleep.

While Todd was sleeping in the dead of the night, matt snuck in and gave him an undercover waterfall.

by Gman692 April 2, 2017

undercover prick

A person that doesn't wish you well but conceals it behind well meaning facial expressions and words

My neighbour is so two faced, he's all how are things in the hallway but I know he complains about me to my landlord, he's such an undercover prick

by Interfaza November 27, 2014

Undercover Potato

A potato on a mission
(please publish)

"Wait, you're the undercover potato!" screamed the kittens.

by Pigeon of the Rain November 3, 2019

undercover gay

a dude thats still in the closet

when a guy is using a girl to pass himself off as straight he is a undercover gay

by STEPHiE EFF BABY March 31, 2009