What is a sudden, repetitive, nonrhythmic motor movement called?
Correct answer: Tic

Player #2568453
ConsequentDessert10, a tick is a parasite while a tic is a involuntary movement.

ChampionNymph37634
Player #2568453, I've had in-laws who could qualify as both.

GI Joe
I get it in my lower eye lid frequently. It's extremely annoying.

little b
i don't have a tic

Salu7
tic tac toe

SOOTI
GI Joe, ignoring a tic is the best way for it to stop

LazyPO₮a₮O♡
I was like what is Tic??
Owh nvm i think the app is spyin on me