Undercover funny 

Could also be someone who is not the same when you're not there like a back stabber being ''funny'' doesn't always mean humor could also mean wierd

This nigga sean might be undercover funny because he acts different doesnt believe in the same things when he is not in around certain people.

Undercover funny by Passingmindset May 25, 2016

Undercover opp 

A undercover opp is a person that acts cool with somebody but does sneaky sh*t to the person their pretending to be cool with.

I don’t trust kevin he’s cool and everything but he seems like a undercover opp i heard he finesse Chris last year.

Undercover opp by Thatboy003 July 28, 2020

undercover fart 

when a girl farts when your in a car, house.....ect. and all you smell is a funk in the air and the source is unknown.....but guess what thats your girl ninjaing one out

i was laying in bed one night and all i smelt was a strange odor i looked over at niki and asked about her undercover fart....she laughed and admitted to it

undercover fart by Mateo El Feo January 11, 2009

cus its 1-8-7 on the undercover cop 

"cus its 1-8-7 on the undercover cop" refers to the California Penal code section 187, the section relating to murder.

DA: cus its 1-8-7 on the undercover cop, he's up for the death penalty.

cus its 1-8-7 on the undercover cop by a10033e December 14, 2006

undercover chinese 

A person who is half or a quarter chinese, and doesn't look Chinese.

Henrietta: Ayo, is this kid white, 'cause his eyes is weird.
Joe: Nah dawg, he's one of dem undercover chinese. He's mom's probably chinese, but all you can see is his slanted eyes, revealing his inner-chinaman.

undercover chinese by Bonafide Koncept September 3, 2004

Undercover Bagel 

Undercover Bagel, or "UCB" for short, is a term used for a jewish person with a non-jewish sounding name.

Not to be confused with "Pizza Bagel" - a person that is both jewish and italian.

Did you see the size of John Smith's nose?
He's an undercover bagel.
Oh, that explains it.

Undercover Bagel by Colt Mcforties January 4, 2009

undercover hoe 

A girl who looks sweet, but really just a hoe who wants your dick.

"I think Katie wants me bro."

"Nah, she's an undercover hoe, back out while you can."

undercover hoe by itsdrone0 September 22, 2016