undercover asshole

someone who initially wins you over but behind closed doors they're completely different

Joel is an undercover asshole. He just moved in with Jessica so that he could get under HER covers anytime he wants.

by roadrice May 21, 2007

undercover brother

A person who should have been black, but is born in the wrong skin color.

That kid's just an undercover brother.

by jason kidd777 March 27, 2010

Undercover Ginger

One who does not show visible signs of being a ginger (ie red hair or freckles), but days of not shaving reveal red facial hair. This allows the individual the ability to hide ones gingerness from the world.

By simply shaving his red beard, Tom was able to hide his true ginger identity and go about his day as an undercover ginger.

by Rgogo September 14, 2012

Undercover Chubber

When someone's display picture on a social media site makes them out to be skinny, where in actuality they are a massive chubber.

Hey bro, I just checked out her Facebook profile! Turns out she was an undercover chubber all along.

by MistoFisto March 21, 2015

Undercover Slut

A girl who one would not assume gets with a lot of guys (whether because she is weird, nerdy, or just really nice) but in reality has hooked-up with half the school.

Bob: That Mindy girl's pretty cute, she seems really smart though. I wonder if she'd get with you.

Joe: Dude, she's an undercover slut. She gets with everyone!

by M.C. Skizzlet September 3, 2010

undercover fat

Someone who doesn't look fat while clothed, but secretly hides a gut

I had a locker next to that kid in gym class in high school, and trust me, he's undercover fat.

She looks hot at first, but she's just an undercover fat girl hiding beneath that sweatshirt

by RC-Cola December 21, 2005

Undercover Nigger Lover

A white person who has sex with black people, but finds it shameful to tell their white friends for fear of rejection or ridicule.

Tim's dad kicked him out of the house & disowned him when he found out Tim was banging black girls. He tried to hide it by being an undercover nigger lover, but all UNL's eventually get caught.

by Ehud Avni November 14, 2010