[luckyharr]

It could mean he bets and raises when he as a hand, or it could mean he bets and raises when he has the initiative and releases easily when met with aggression. All those bets and raises could just be postflop continuation bets or raising with things like middle pair. If so, this player likely does not call down lightly and could be bluffed out of a hand. Of course, you'd want to observe his play in actual hands to confirm which type of player he is.