Top Definition
A metaphor for junk food, but refering to girls.

It's when a guy is so desperate and horny that he lowers his standards to staring at fuglies and telling his friend that she is worth picking up ... only to realise after 20 min that she is dog like a mofo.

These girls are called mc'junkies because it is only when you are very hungry and broke that u consider eating shit like maccaz. After 20 min u then feel the messed up digestion which u can only blame yourself for.

Yes fellas the shit is deadly.

martin - oi that honey is mad fine i need me sum of that crazy ass.

sammy - no dude no , look once more, shes a mc'junky bro snap out of it.

martin - oh crap
by kooni September 16, 2007

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