arithmatic
You're a dumbass who can't spell arithmetic.
You meant to do a search for arithmetic, not "arithmatic", you moron.
arithmatitis
A rare pokermon xd ultra addition joint disorder when you can't calculate y=mx+b. You gain your friend's diseases like xp cards. Each new disorder is a level up. Im level 68.
I have arithmatitis and 4=y5+br549 brain cells.