mental disability 

a disability and welfare check for people who can't function or mantain a job due to their ailment.

the fat kid gets mental disability for his illness.

mental disability by sonny boy. February 1, 2009

Mental disability 

Zachary

Some people (Zachary) have a mental disability

Mental disability by OmegaReal April 24, 2025

Mental Disability Defence 

Another well known failtroll tactic, whenever said troll's behavior, mannerisms or other means of trait are questioned he/she will always bring up a defence blaiming it on their own mental disability rather than try to fix it - they do it apparently because it makes their so called victims "RAEG".

He pulled the Mental Disability Defence when Sal questioned his writing and trolling tactics.

Mental Disability Defence by MM132 September 6, 2012

check, "get a check" (as in a Disability check for Mental Illness) 

used to express exasperation after explaining a topic to someone whom is just not getting it

No girl, a asshat is like someone who has their head up their ass.

How can they have their head up their ass when you said they have a hat on it?

Girl, you can get a check!!!

check, "get a check" (as in a Disability check for Mental Illness) by vee stevens March 18, 2005

Metal disability

A Disorder of the brain which causes it's victim to appreciate only Metal.

Tim won free tickets to a Who concert, but due to his metal disability he decided to burn them instead of going.

Metal disability by Matt Pirtle December 18, 2007