What's the difference between a sidewalk, a drug dealer, and a prostitute?
A: A sidewalk's crack doesn't leave an odor!
The Three Cracks
Explanation
Explain Bear
Look, tiny-brain, it's a pun. Sidewalks have pavement cracks, dealers sell crack cocaine, and the lady of the night has a butt crack. Only one of those doesn't stink. You probably haven't left your house enough to know what any of these smell like. Get out more.