Ultimair 

UltimAir is a brand-name Bra making company. It is not as popular as Victorias Secret.

Girl: Hey, do you know where I can get some UltimAir?
Clerk: You should consider Victoria's Secret since they make bras that are fashionable and not plain.

Ultimair by UltimAir October 21, 2009

ultimatrix

The advanced version of the omnitrix

Albedo: i will beat you.
Ben10: with what?
Albedo:my Ultimatrix

ultimatrix by Blaiz3 May 11, 2021

Ultimatris 

When you activate "Zone" in the game Tetris Effect and you perfectly clear 20 rows while it's active.

Guy 1: Dude, I just got an Ultimatris!

Guy 2: How do you even clear 20 lines!?

Ultimatris by Kritzy November 2, 2018