look up any word, like bukkake:
 
1.
1. The sudden arouse of one's penis.

2. A term loosely used to exaggerate sudden excitement for something.
1. * Stares at a sexy woman.* MAHDIK!!!

2. Brandon so was excited for the release of Jojo's Bizarre Adventure: All Star Battle, he screamed 'Mahdik!' from the top of his lungs.
by Izanagidonutz July 05, 2013
 
2.
Catcalling or generally making references to sex, rape, or sodomy to women, particularly white, by black men.
We went to WalMart the other day and everything was fine till we left and two black guys started mah dikin' my wife, which started a fight.
by Edward Jenkins September 10, 2008