Gunderpants 

adj; a word to describe someone who is relentlessly annoying

I can't with her, she is such a gunderpants.

Gunderpants by theargyledaisy September 21, 2018

Tweeky Mc.Gunderpants 

a methamphetamine induced state of heightened paranoia

Oh no, Tweeky Mc.Gunderpants is bouncing from the peep hole, to the window and back again!

Tweeky Mc.Gunderpants by KandiQueen February 24, 2021

Wailing underpants

Activities in the underwear that demand immediate attention either sexual or toilet related.

Palmer had to go to the toilet quickly due to his wailing underpants!

Wailing underpants by I, Wreckerrr October 30, 2016

Underpants journalist 

A journalist who writes about and/or dressed in their underpants. Often referring to bloggers or freelancers who work from home/their parents' basement.

"TMZ may have broken the 'Michael Jackson is dead' story, but they're still a bunch of underpants journalists."

Underpants journalist by Stable of Crayons July 21, 2009

junderpants 

jeans that are purposefully cut off short to be worn as underpants.

This never-nude wears junderpants in the shower.

junderpants by TimmerOU812 June 25, 2012

Underpants Gnomes 

From the TV show South Park. They steal underpants in order to make profit. They even educate children on how profit works. Here's how:
Stage One: Steal Underpants
Stage Two: ???????
Stage Three: Profit!

The underpants gnomes robbed my house again.

Underpants Gnomes by funwillfunwill June 20, 2015

Underpants Gnome 

A gnome who steals your underpants while you sleep.

Robert Farmery

Underpants Gnome by Ad May 17, 2004