Native to North London, it usually shows how someone lacks the ability to do something. It can also be used to purposely indicate that you are stronger than someone.
Matt: "Hey John I'm sick at football."
John: ( High pitched sarcastic insult ) "You're sick at football."
Tom: "I can quickscope better than you."
Joe: ( High pitched sarcastic insult ) "You're better than me."
John: ( High pitched sarcastic insult ) "You're sick at football."
Tom: "I can quickscope better than you."
Joe: ( High pitched sarcastic insult ) "You're better than me."
by guileM16A4 February 22, 2014