used as an aggressively humorous retort to a spoken or implied admonition of “don’t go there” US
— Elmer, urbandictionary.com, 29 August 2005
Don’t go there! He went there...At the NEA convention Senator Obama called for something that sounds a lot like merit pay today in his speech…that’ll be the headline. — eduwonk.com, 5 July 2007