1. The French number three
2. Number three in reference to bodily functions (i.e. i have to go number 1)
1. Un, Deux, Trois...(1, 2, 3...)
2. I need to take a major trois! It's starting to prairie dog!
A person who flips the fuck out when you touch their stuff, even in a benevolent fashion.
I made your bed, man! Don't be a trois!