squirrel’s underwear 

(n.) A facial hair configuration that consists of a moustache and soul patch.;

My god I love that squirrel’s underwear on you, it makes you look so much older.

squirrel’s underwear by JSloppyola December 31, 2010

A HUMAN SKIDMARK ON THE UNDERWEAR OF LIFE 

A contemptible and low-life individual;
a person who's a waste of oxygen and flesh; the ultimate scumbag of existence!

Pete's wife aptly labeled him as a "human skidmark on the underwear of life" when he forgot to acknowledge their 20th wedding anniversary by having an illicit fling with the baby-sitter at the local hotel.

A HUMAN SKIDMARK ON THE UNDERWEAR OF LIFE by weave January 28, 2007

goblin underwear song 

an old korean folklore song

SPOILER:
referred to in the Korean drama "Goblin" by the grim reaper while folding underwear

The goblin underwear song was hummed by the grim reaper, and this irritated the goblin.

goblin underwear song by outofthesquare February 12, 2017

black underwear 

A type of lingerie that is really better off sitting on the ground. Usually indicates the wearer's desire for sex.

I want sex tonight, so I shall wear black underwear.

black underwear by Me! June 15, 2004

Two asses in one underwear 

When two people are always seen together

Helmi and Elli are two asses in one underwear

Two asses in one underwear by Thimthim June 21, 2020

eye-patch underwear

Type of thong underwear worn by one of Michael Duvall's mistresses.

Michael (bragging about affair) : She wears little eye-patch underwear. So, the other day she came here with her underwear, Thursday. And
 so, we had made love Wednesday--a lot! And so she'll, she's all, 'I am going 
up and down the stairs, and you're dripping out of me!' So messy!

eye-patch underwear by mac2 September 10, 2009

Ed's Underwear! (gags) 

A line said by Edd when Ed's rancid underwear landed on his face.

Edd: Ed's underwear! (gags) Soap! I need soap!

Ed's Underwear! (gags) by Master Tonberry March 5, 2005