What do you call a cow with two legs?
Lean beef.
What do you call a cow with no legs?
Ground beef.
Two police officers crash their car into a tree. After a moment of silence, one of them says, "Wow, that's got to be the fastest we've ever gotten to an accident site."
An infinite number of mathematicians walk into a bar. The first one orders a beer. The second one orders half a beer. The third one orders a fourth of a beer. The bartender stops them, pours two beers, and says, "You guys should know your limits."