undergun

underdog; underling.

I consider myself an undergun in the organization.

by uttam maharjan November 26, 2010

undercover sexy

ugly, but you may have had sex with them

Person 1: Ho brah that chick is beat.
Person 2: Nah brah, she's kinda undercover sexy...

by e_web January 16, 2012

Undercover Ginger

A brunette whose facial or body hair is red revealing their ginger roots.

"Did you see Michael Fassbender since he grew a beard?"

"Yep - I had no idea he was an undercover ginger"

by Keemer December 13, 2012

Undercover Swedish Brother

When one takes a dump onto a bed prior to engaging in sexual intercourse with one's partner on top of the soil without the partner knowing.

Henry: Dude, I'm about to get laid but I really need a shit. What shall I do?
Harry: Just be her Undercover Swedish Brother!

by yes!yes!yes! March 20, 2014

Underdong

Having a second penis, smaller than the one on top.

Jim has an amazing underdong.

by paper21ify March 29, 2015

Undercover alcoholic

A alcoholic but a secret one

Your a undercover alcoholic

Vanessa 2k15

by Theradgeorge December 5, 2015

undercover push-ups

The act of humping your spouse in the push-up position under bedsheets.

Susy and I were doing undercover push-ups last night.

by .OG. July 19, 2016