2) A dis.
3) An exclamation used when burning, or majorly dissing someone.
(this term was first used in the 70's, as you may know if you grew up then or have watched That 70's Show, however it is still used to this day by majorly cool kids)
guy: ur pretty flat!
girl 2: wow, you burned her bad!
2) random person 1: man, u so fat they don't even make clothes your size!
random person 2: I ain't fat, I'm buff!
random person 3: hey, man, u gotta admit, that was a pretty good burn.
3) (the dude burns (disses) the other dude)
dude who did the burning: Oh! BURNNNN!!!!
dude who got burned: oh no u didn't!
(burn in the past tense is burned, NOT burnt!)
(2) slang: to smoke marijuana or any other drug used with fire, to get high. see burn out
(3) verb: to char or scorch something using fire
Child: Oh, BURN!
(2) Stoner 1: Man, are we gonna get burnt out today?
Stoner 2: I don't know, it isn't 420
(3) Tony watched the logs burn in the fire.