A toothbrush.
Reflect! I use this dadjoke on my pregnant wife every day when she goes out for walks after dark and wears a safety vest.. 'Now honey, don't forget to reflect on all sorts of things, especially car headlights!'
A garden Jose.
Cause they don't have balls to scratch
A balloon animal!
Me, when I remember to floss once a month. Edit: account got hacked and showed something different. Sorry about that
Nobody is sure but if it opened its mouth to speak you'd listen!
Cause if it was invented anywhere else it'd be called a teethbrush.
Because anywhere else it would've been called the teethbrush
A milk dud.
The baby and the dad.
Brushing your teeth!