Ha Sil
A Ha Sil is when you yank someone’s ear and scream 'Ha,' then grab their arm and yell 'Sil' like you're trying to make them lose their mind.
My friend did a Ha Sil on me right before the bell rang and I was late for math.
My neighbor did a Ha Sil on me for mowing his lawn without asking.
My brother did a Ha Sil on me and I got a big red mark on my ear.