The tick falls off when you are dead.
or
A buck.
or
A car only has one horn.
or
She has an uncontrollable craving for bologna.
or
``Oh wow, is it like dark, man?''
or
To the mooooooovies.
or
Put him in the front seat.
or
The bucket.
or
Those who read binary and those who don't.
or
One molar solution.
or