Dangerous or un-cool. Someone or something that is likely to get you in trouble, primarily with the law or some authority.
"That dude is red, I don't hang out with him."
"Yo, put that shit away, that's red! My mom is coming home soon, go smoke that out back!"
"Yo, put that shit away, that's red! My mom is coming home soon, go smoke that out back!"
by Superion69 February 27, 2007