tipper

中文： 给小费的人、翻斗车、提供内幕消息者

1. Someone who tips; someone who gives a gratuity. · The Americans are among the most generous tippers in the world.
2. A small moustache. (slang)
3. A device for loading goods such as coal by tipping them.
4. One who gives private hints about racing or financial speculation, etc.; a tipster.
5. A cutting tool used to cut off or trim the horns of livestock; a horn tipper.
6. A person who tips or discharges a load, or dumps waste (especially illegally with the latter).

复数 tippers