A nick name for any of your Irish friends that have a "Mc" in the front on their name that are always mooching. Bumming cigarettes, beers, food, clothes and just about anything they can mooch. They will most often "forget" their wallet when eating out and have to borrow though never to pay back. They can however be very generous when money is available to them and blow through it immediately which is why they never have anything.
McMooch, I can't believe you forgot your wallet again and need to hold 10.
by WindowLicker9000 April 17, 2010
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The friend that never orders anything at Mickey D's for various reasons, (low on cash, diet) but will never hesitate to snatch some fries or ask for a sip of coke
Also means to mooch off someone's McMeal and to overstay one's welcome on the tray
Dennison is so cheap he even asks for handouts when people order off the dollar menu, what a McMooch.

I didn't feel like ordering so I just McMooched off Chris until I was booted from the table
by learnfrmthis October 18, 2007
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The act of approaching and restricting an unsuspecting friend and slowly driving your fist into the side of their rib cage, constantly increasing pressure and violently twisting your fist back and forth like a rig drill. Its very painful and uncomfortable.

While applying the torture treatment, it is common to shout out "Mega McMooch mule rig drill rib driver!"

It is also common practice to engage in the act of making a fist and twisting it just enough to let your victim see it happen a few times, minutes before its coming. This helps immensely to build anxiety in the target.

It is much like a noogey but applied to the side rib cage.
by WindowLicker9000 April 17, 2010
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