King's Indian Defense
The King's Indian Defense is probably one of the more aggressive options against the Queen's Pawn Opening. It's more of a hypermodern opening, which means that black lets white gain center control and then tries to take it away with pawn thrusts. There are a few variations white can choose from in this defense.
Four Pawn Attack:
The King's Indian is one of the more aggressive defenses to 1. d4. If you like attacking chess with somewhat wild positions, you may want to give this a try.