Nickname jokes

Jeff asks, "Did you hear about the guy they call the flash?"

Bob responds, "No, I haven't. Do they call him that because he runs fast?"

Jeff replies, "Nah, they call him that because he doesn't wear pants."

If sex with three people is called a threesome and sex with four people is called a foursome, I guess now it's clear why everyone calls me handsome.

What do you call a man with a seagull on his head?

Cliff.