Why don’t they make Klein bottles in China?
They’re not orientable.
I don’t like my girlfriend… Mind if I do a you-substitution?
A guy walks into a sandwich shop and sees a sign that reads, “Home of the Meanest Grilled Cheese in Town.” So he orders the grilled cheese. When his bill arrives the waitress asks him how he liked the sandwich. “Eh, it was about average.”
What is int 1/mower d(mower)?
Research has shown that 50% of people in a relationship are dating someone smarter than them.