Niggerlover undercover

A white person who has relationships with blacks (a niggerlover), but keeps it a secret.

She has a black boyfriend, but won't admit it. She is a niggerlover undercover.

Niggerlover undercover by bigbadbulgarian March 8, 2007

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.

Undercover Nigger Lover by Ehud Avni November 14, 2010