Underfell

The edgy version of the hit classic game undertale which involves some changes to the story as flowey is kind in the story.

The human stays in the underground as the adopted child of the king in the true ending after defeating their final boss.

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Abby: Underfell has a sans with a gold tooth. No further infromation about it.
Sandy: Aw, that is very sad indeed.
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by Retardost December 13, 2021

underbelieve

the speaker does not understand nor believe

person 1: i went to the shop tomorrow

person 2: i don’t underbelieve you

by funktothemonk January 6, 2024

undertallness

To be undertall (or below average height)

Bert felt like a borrower today; people had commented on his undertallness all morning as he had conversations with other people's kneecaps.

by dingy January 24, 2013

Underbese

The opposite of obese

I heard of obese, but that nigga Devin underbese

by Czaybo February 27, 2019

Underhill moment

An explosive moment of courage and glory that single-handedly saves the day usually having a strong chance of injury and/or a huge downside for the person completing the act.

Dom: Did you see the game on Saturday?
Lachlan: Yeah, that tackle saved the game for England.
Dom: I know right he just threw himself and put his body on the line for his country.
Lachlan: A true Underhill moment

by COVID-19 June 26, 2019

underblast

Used to primarily denote finger blasting in the rectum but can also apply to any hole where the 'Blaster' is positioned below the 'Blastee'

'I heard they got a right underblasting the other night'

by Ribbitribbit November 10, 2020

Underall's

This is the located at the bottom of the butt cheeks see commercial if need be.

Please massage my underall's

by Rowfidy April 28, 2021