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

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

underated fruit

underrated fruit- somethings that is frowned upon but is actually pretty fucking amazing

"watched porn for the first time.. It's a siriously underated fruit"

by Satanicdickbutt May 31, 2016

Undercraze

The act of loving the video game Undertale

I think my friend has Undercraze

by StormK1ller May 15, 2016

Undercooked potato

Meaning someone looks like total sh!t

Dang McKenzie , I look like an undercooked potato today !

by @kenzleigh November 6, 2016

Undercover squat

When you're so obsessed with working out that you find any opportunity to squat.

I did many undercover squats before finally sitting on the toilet

by Imalljammedup December 13, 2016