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2.
A game gay people play to see who can fit the most Mcnuggets up their ass. The loser has to eat all the nuggets after everyone poops them back out.
Yo man that shit was gayer than the mcnugget challenge
by icyworm September 28, 2010
 
1.
A challenge where two people have to eat 100 McNuggets in one sitting.
John: Dude did you finish the McNugget Challenge yet?
Mike: Yea, the 99th nugget was killer!
by NOMNOMFOOD September 27, 2011