Chris Brown closed his Twitter account following an explosive online row.
The Don't Wake Me Up singer entered into a vicious argument with American comic Jenny Johnson after she called him a "worthless piece of s**t" in a tweet.
The spat started when Brown posted a picture on Twitter and joked: "I look old as f**k! I'm only 23", to which Johnson replied: "I know! Being a worthless piece of s**t can really age a person. RT."
Johnson - who has often made fun of Brown for his 2009 conviction for his assault on then-girlfriend Rihanna - was then subjected to a stream of aggressive X-rated remarks from the R&B singer, who took serious offence to her comment.
He answered: "Take them teeth out when u Sucking my d*** HOE. (sic)"
She replied: "Your mom must be so proud of you," to which Chris retaliated: "mom says hello... She told me not to s**** in ur mouth, wanted me to s*** right on the retina. (sic)"
After Johnson tweeted she was "done" with the exchange, Brown returned with"If u can take a dick, u can take a joke" and "just ask Rihanna if she mad??????"
The singer and Rihanna are thought to be an item, despite insisting they are just "friends", and the Diamonds hitmaker even posted a picture of Chris lying topless on her bed on Sunday (25 November).
Johnson's final two tweets read: "Okay. I'm done. All I got from that exchange with Chris Brown is that he wants to s**t and fart on me.
"I have zero respect for a person who seems unapologetic for the terrible crime he committed and shows no signs of changing."
Brown tried to calm his shocked followers down before deleting his twitter account, calling Johnson "immature" and "crazy" and claiming he wasn't bothered by the bust-up.
He posted: "Back to life... To teambreezy... Know that I'm not upset. Just felt like entertaining the ignorance. These bitches crazy. Further proved my point of how immature society is. #CarpeDiem. Catch me in traffic. (sic)"
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