to slap somebody in the face with a calculator. perhaps you had a calculator in your hand, or to show intellectual superiority. pretty much the highest form of domination. often results in bleeding.
1. Moron - derr
, i really suck.
Smart kid - calcuslapped!
2. dumbass - hehe! i'm gonna act like a retard!
other dude - don't do that, or i'll calcuslap you.