roast off
When a group of people offend each other to see who can roast the best.
Person 1: Who wants to do a roast off?
Person 2:ME
Person 3:No, you're too ugly.
Person 2:ME
Person 3:No, you're too ugly.
roast em off
When someone is driving a vehicle and stops and spins the tires posi locked so both of the tires burnout until they blow.
Oh sure buzz roast em off
roast-off
When two or more persons are going at it like the Kardashians
John, Mary and Luke were having roast-off on who had the bigger dick, oh, and Mary as you guessed by now is a transvestite.