An individual whose purpose in life constitues that of constant sesh and is a member of a larger organisation referred to as the Sesh Bois
Person 1: who's that dude with cans and bucky?
Person 2: don't you know, he's a sesh boi
A group of fine young men who drink cans, bucky and kiss so many girls. They are also very funny
Man 1: Dude, are you one of the sesh bois?
Sesh Boi: Yes