Dictionary

A small horse; specifically, any of several small breeds of horse under 14.2 hands at the withers.

A small serving of an alcoholic beverage, especially beer.

Example: 1879, “Some Queer Interviews: Interview with a Pony of Beer”, Puck, Vol. 5–6, p. 435

(New South Wales, Victoria) A serving of 140 millilitres of beer (formerly 5 fl oz); a quarter pint.

Twenty-five pounds sterling.

To lead (a horse) from another horse.

To use a crib or cheat-sheet in translating.

Crap; rubbish, nonsense.

Of little worth.