extremely direct, in a way that is deliberately intended to shock or annoy people.
It's also used as an insult to someone when you're beating them in some competition or game.
"OMG I can't believe you just won that game"
"In your face!"
Or you can use it as a general insult to show that you don't respect the person and think they generally suck.
Copper is a slang word for a police officer.
"in your face copper type" is someone who is against police authority or authority of any kind or, more actively, likes to provoke authority or do acts of "civil disobedience"
Another expression for that could be "stick it to the man" type.