What is red and bad for your teeth?
A brick.
Magma
A cherry Jolly Rancher candy
A brick
Evil red tooth melting acid 😈
Oof ouch, my teeth.
Yeah, i think Coca-Cola is fitting
Mountain Dew: Code Red
The red M&M
Betel nut chewing
A ginger dentist with paranoid schizophrenia who's convinced that Zombie-Aliens have sent you to spy on them, so they sedate you and violently drill away at your teeth to find the hidden microphone
The book Quotations of Mao Tse-Tung.
It can't be good for your teeth.
A bleeding hand punching you in the face.
Fire hydrant
A newspaper?