A fine example would be when I was on the Junior Dual team in Enid and Minnesota wouldn't finish the duel with us be we were wrestling "dirty" now I know that the whole duel team couldn't have been full of dirty wrestlers...aggressive maybe...but not dirty...people often use the words interchangably

Hey Butt-Head what did people do before they invented TV?
Don't be stupid Beavis there's always been TV, there's just more channels now.
Oh yeah, heh heh hehe... progress is cool. Heh hehe heh