by Seth the porn January 30, 2020
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!
Harry: Just be her Undercover Swedish Brother!
by yes!yes!yes! March 20, 2014
"Did you see Michael Fassbender since he grew a beard?"
"Yep - I had no idea he was an undercover ginger"
"Yep - I had no idea he was an undercover ginger"
by Keemer December 13, 2012
The act of stretching one's scrotal skin out with two hands - using thumb and forefinger - parallel to a primary surface (i.e. a bed or floor) until smooth, with the penis resting on top, utilizing the grip and taut skin to move the scrotum up and down at various speeds to have the penis bounce off of it continuously.
by MyNutsRSweaty January 23, 2019
A booty that looks good undercover. I.e. in pants or tight clothing that disappears when the support is take away
by DrJay84 October 14, 2017
by Timmyd April 26, 2017
My lax bro Kevis such an undercover brother, he stops by gay bars every night to hook up with dudes behind his girlfriend s back.
by lil leroy October 23, 2022