You're mad at someone and you're placing the worst curse possible on them. That's right, you're hitting them with the Lego curse. You feel better already, just imagining the agonizing pain that's going to shoot up their legs as they crunch down on that hard, spiked piece of plastic. The pain will be excruciating and you'll just sit back and laugh. Nobody said you were a nice person and now you've got the tee to prove it.