A hamburger creation in which the diner orders two Double Quarter Pounders from McDonalds. The two burgers are then combined after taking the top bun off of one and the bottom bun off the other.
A girl who you really want to sleep with but afterwards feel sort of depressed that you did. Normally requires vomiting or a gym session to clear your mind. Very similar to the feeling you get after you eat McDonalds.
Bro 1: last night i totally did some mcpoon, want to hit the gym after class so i can get over it?
Bro 2: sure bro, i normally vomit to get over mcpoon, you should try it.
the morning after a crazy raging night and when you wake up feeling still drunk, often caused from a gin bucket. Signs of a mcmorning include crackheadedness, slurs in speech also known as analexia, running uncontrollably into things, and laughing hysterically for no apparent reason. Also, the strangest occurrences that would otherwise never happen occur during a mcmorning where crackheads like you seem to appear everywhere. You know its a mcmorning when you watch a crackhead take down his pants in the middle of the street and shit on a wall, or when you find yourself brushing your teeth on a bench in the middle of a park, or when you imagine mcmonsters in the woods, AND when you wake up at the earliest hours of the morning to wake everyone else up to join you in the mcfun (at least 7 o'clock).