Packing in
A battle of insults on Discord where people roast each other with loud or quiet voices. The funniest insults win, and the loser gets roasted even more.
They had a packing match on Discord and roasted each other until the audience was laughing out of their minds.
He won the packing match by making the other guy cry with his insults.
They did a packing match and the winner got a standing ovation from the judges.