- noun a car engine. This is probably a shortening of ‘donkey’, which the late eric Partridge recorded as being in use in British navy jargon for a ship’s engine. The term ‘donkey engine’ is often used for small, portable or auxiliary engines such as an outboard motor or miniature shunting locomotive.
- noun a foolish person
- verb to have sex (with). An expression used on campus in the USA since around 2000.