March 10, a day when you wear your nicest belt and take pictures with your friends. At the end of the day you can wrestle each other naked with olive oil all over your bodies.
“ Hey it’s national belt day. Look at Jeremy he’s wearing his Louis belt”
A taco belt is when you eat so much taco bell that you end up shitting your pants. At that point, it forms around your waste like a belt. Which is why its known as a "taco belt".
"Daniel ate so much Taco Bell that he might end up with a taco belt later."