unthick 

when a female just has no ass what-so-ever. She is diagnosed with noassatall.She is not thick

"Look at dat girl tryna twist, she is unthick man she got noassatall!"

unthick by Richella January 8, 2009

unthinkability 

the ability to not think or just being too lazy to think or you're just not a very good thinker

Morgan: I'm not a good thinker person
Matt: Why do you insist upon insulting yourself?
Morgan: I'm not insulting myself. I embrace my unthinkability.

unthinkability by chica_al_azar June 30, 2010

untickleable 

when someone cannot be tickled at all!

charles cannot tickle hayley because she is untickleable

untickleable by not charles June 18, 2008

untick 

Remove the tick from a check box.

In Internet Explorer, go to the File menu and untick Work Offline.

untick by Jaromba June 25, 2005

Unchicken 

To become a non-chicken, assuming the person was in a chicken state previously.

Rob and JC can unchicken themselves if they go on the also trip.

Unchicken by njdude2105 February 3, 2018

Unthiccify

To make a person lose weight, rendering them not thicc.

I made Amanda do so much exercise, I think I managed to unthiccify her.

Unthiccify by Big Eediot December 12, 2018

untick 

To rescind a ticking

when I realised I had made a mistake voting online I unticked the box I had ticked

untick by Oliver Holmes June 26, 2005