Means "awesome" and is a derivative of "dope" . Used in places where something is too awesome to only use "dope".
by LaurOakieCR02138 June 04, 2007
Michael: Holy shit look at those Aero effect on Windows Vista! Oh my god if she was a chick I swear.
Andrew: Dude that's flat dope man.
"Dude that ride is flat dope"
Andrew: Dude that's flat dope man.
"Dude that ride is flat dope"
by QDub935 May 23, 2007