Answer:
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
It is the assumed nocturnal symbol of Mr. Wayne. What is it?
What is it that given one, you’ll have either two or none?
The French word for 'fun size' in women's clothing.
What does no man want, yet no man want to lose?
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?