underailable

Sisterhood . 100% or nothing . Female rail worker united by gender sworn by blood

GOOD LUCK MATE - she underailable everyone knows that.

by Youownme? September 7, 2020

Undertail

Epic game

I am goig 2 ply EPIC GAME Undertail nd Unlive sands

by u n d e r t a i l December 6, 2021

underfilled

something that is lacking - metaphorically and/or physically. (Term popularized by @thekatcurtis)

“This bag of chips is more air than chips - it’s UNDERFILLED!!”

by funwitfunny March 16, 2022

Undertail

a tag created for undertale porn art

"Since when did sans have a lightsaber dick and undyne being futa?"
"undertail"

by sussysonofabaka January 11, 2022

Undertail

The thing that made me and my father commit Lego step

Dumbass:Hey have you heard of undertail? I ship as-
Me: *averagely pulls out nuclear warbomb remote*

by Theworldsendingandigive0shits May 11, 2023

Underkaine

A combination of the two brothers of destruction Kaine and the Undertaker

Underkaine took down Vince McMahon

by Nick Huddleston October 18, 2008

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