Top definition
The meal that takes place somewhere in between midnight and 5:00 in the morning. YOU KNOW YOU'VE HAD IT!
Person 1: Wow I just got home and I'm hungry, but it's 2:45 in the morning.
Person 2: Dude have some mealio!
Person 1: You're a genius!
by Joel Torrens February 03, 2004
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