I tried having a three-way with two physicists, but they couldn't solve the three-body problem.
A Roman walks into a bar.
He holds up two fingers and says, "Give me five beers."
Two men were talking about their wives. The first man says, "My wife is an angel." The second man says, "You're lucky, mine's still alive."
Just because she weighed as much as two women... Doesn't mean you had a threesome.