Related:

• Sign on an asphalt truck: "Let us fill your crack!
• Crack open your briefcase or purse, and while peering inside ask: "Got enough air in there?
• Define "proctologist." A crack investigator.
• Crack salesman: a pimp.
• Q: Why do black guys wear high-heeled shoes? A
  To keep from scraping their knuckles when they walk...
• Q: Why do so many black people wear high heels? A: So their knuckles won't scrape when they walk.
• Other sig
• Did you hear about the tight end who was sentenced to a prison term?
  When he was paroled he was a wide receiver....
• You Know it's Your Last Day at Work When... You hand a bank teller an envelope, and when she asks, "What's this?
  you realize you just dropped the company's deposit in a mailbox....