Top Definition
Mx-Witis is caught after speaking to MxW and is a very serious condition.
Symptoms include twitching, frothing at the mouth, seeing his face on every person you cross and finally ending up in a padded room with a Dairy Milk bar for your only company.
It can only be treated with a strong antibacterial soap, a lot of mouthwash, a visit to the doctors and a restraining order.
"zOmg eeeee'z gt mXwItIs!!!1111 runnnnnn!!!!"

"She has Mx-Witis, it had to be treated with some cream. It was special."
by L_and_O July 10, 2008

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