What's the difference between a dirty coach depot and a crab with a boob job?

https://feddit.uk/post/37599832

What's the difference between a dirty coach depot and a crab with a boob job? - Feddit UK

One is a crusty bus station the other is a busty crustacean.

Just the setup of this joke always makes me laugh
That’s probably more of an uncle joke

What's the difference between your burro and a burrow?

One's your ass, and the other is a hole in the ground.