Boi: a random thing people say when annoyed or just messing around.
Friend1: “And then I just, licked her toes.”
Friend2: “Boi.”
A “boi” is someone who says something stupid, Also see “shithead”
Person 1: Need an abortion?
Person 2: BOI
A name you call a male or "boi" that is doing something really dumb. Which really makes no sense because spelling boy "boi" is actually pretty dumb.
Jordan: 2 plus 2 equals 4.
Zack: boi if you don't get out of here with your ignorant (and so on)
boi is a when you when you roast someone for a reason , or that nigga is just deadass dumb b’ .