Related:

• Q: What's purple and commutes? A: An abelian grape.
  Q: Why did the mathematician name his dog "Cauchy"?...
• What do you get when you cross an elephant with a banana?
• Q: What do you call a cross between an elephant and a rhinocerus? A: Elephino.
• What do you get when you cross an elephant and a prostitute?
  A hooker who does it for peanuts and won't ever forget it....
• What do you get when you cross an elephant with a prostitute? A two-ton pickup.
• What do you get if you cross an elephant with a kangaroo? Big holes all over Australia.
• Q: How do you get an elephant into a telephone booth? A: Open the door.
• What do you get if you take an elephant into the city? Free parking.
• Q: What do you give a seasick elephant? A: Lots of room.