DJ6 13/11/2014 by SandySB Why has a milking stool only got three legs? Because the cow has the udder one. Share this:Tweet Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Click to share on WhatsApp (Opens in new window) WhatsApp Like Loading... Related Author: SandySB Child and adolescent psychiatrist. Parent. Blogger.