What type of pizza do they serve on an airplane?
Plane pizza.
A jumper cable walked into a bar. The bartender said, "I'll serve you, but don't start anything!"
The barman says, "We don't serve time travelers in here."
A time traveler walks into a bar.
A piece of toast and a hard boiled egg walked into a bar. The bartender says, "Sorry, we don't serve breakfast here."
Why do they never serve beer at a math party?
Because you can't drink and derive.
A hamburger walks into a bar.
The bartender says, "I'm sorry. We don't serve food here."
