Definition of "tipper"

tipper¹

/ˈtɪpɚ/

noun
plural tippers
1. Someone who tips; someone who gives a gratuity.
2. (slang) A small moustache.
3. A goods vehicle with a tippable body, used for carrying loose materials such as gravel or rubble; a tipper truck or lorry.
4. A device for loading goods such as coal by tipping them.
5. One who gives private hints about racing or financial speculation, etc.; a tipster.
6. (also in plural form) A cutting tool used to cut off or trim the horns of stock animals; a horn tipper.
7. A person who tips or discharges a load, or dumps waste (especially illegally with the latter).
  Quotations
  The staff discharging the coal from the wagons is known as teemers or tippers; they are employed by the dock-owners.
  1945 January and February, T. F. Cameron, “Dock Working”, in Railway Magazine, page 11

tipper²

/ˈtɪpɚ/

noun
1. A kind of ale brewed with brackish water obtained from a particular well.
  Quotations
  a pint of the celebrated staggering ale or Real Old Brighton Tipper at supper
  1842 December – 1844 July, Charles Dickens, The Life and Adventures of Martin Chuzzlewit, London: Chapman and Hall, […], published 1844