M.

what did the Buffalo say to his son when he went away for college? Bison.
          
          what do you call a dog with no legs? don't worry, it's not gonna come to you anyway.
          
          what do you call a nun in a wheelchair? virgin mobile. 
          
          what do you call a group of unorganized cats? A CAT-ASTROPHE! 
          
          why don't they play poker in the jungle? (; too many cheetahs. 
          
          what runs but never gets anywhere? a refrigerator.