To tell someone off with a bad ass comeback.
Roast:

Boy: "kill yourself"

Girl: "if I wanted to kill myself I'd climb your Ego and jump to your IQ"
by Nikki Fazbear November 21, 2016
Get the Roast mug.
To humorously mock or humiliate someone with a well-timed joke, diss or comeback.

Noun form: the aforementioned joke, diss or comeback.

See also sizzle
"When Gonzo got drunk, he made fun of John's ugly-ass suit--it was a delicious roast."
by Creff von Crinklepants December 7, 2005
Get the Roast mug.
To harm someone physically and mentally because whoever is roasting and or being roasted is an asshole. To roast in a group of people is known as a "Squad roast". And you will be known as the assholes of the school, work, or wherever you go to waste your life.
The fattest bitch in my school pushed me out of the way while screaming "Move fat-ass!" And boy did shit go down because that night she received a roast from my squad. - Russian Soviet 2004 or some bullshit
by LeeBiscuit88 August 24, 2017
Get the Roast mug.
I guess people from the south say this when there about to insult someone profusely. If you ask me, on the north side, we don't say roast, we say barbecue.
South sider: Yo man, that it, I finna roast you

North sider: hey dude, I'm done, prepare for the barbecue
by Your Boi, Dat BLU May 15, 2018
Get the Roast mug.
What is yelled when someone just received an insult. Basically a burn, but more severe.
Did you see Jake in gym class, he tried to call Ben ugly, but he came back and roasted him.

OR
Jake: Ben your so ugly.
Ben: You sure about that bud, why don't you go look in the mirror.
by imakedawurdzondiswebzeit May 13, 2015
Get the Roast mug.
Roast, to Insult someone in a humorous way or if you’re being deadass then just insult their ass
Guy #1: Damn you looks ugly asf
Guy #2: BOI I KNOW YOU AINT TALKING NIGGA WITH YOUR STEWIE HEADASS BOI GET YOUR UGLY NUMBUH 1 FROM KIDS NEXYDOOR HEADASS OUT OF HERE.

Guy #1: Damn you really gotta roast your boi like that?
Guy #2: NIGGA FUCK WHO SAID I WAS YOUR BOI AND DONT GET ME STARTED ON YOUR SAME-PAIR-OF-JEANS WEARING ASS
by RoastYourBoi February 3, 2019
Get the Roast mug.
Roast - to go "roast" is to completely abandon a community or any responsibility that you have.
E.G Jimmy went Roast on his class project - never turned up to help them, ignored everyone involved on it and it eventually broke down and failed.
by insideman June 21, 2014
Get the Roast mug.