shanks' pony
One's feet or legs, regarded as a means of transport.
When we pointed out that we cared nothing, absolutely nothing, for convention, and would go in quest of the gods “on Shanks′ pony,” Anqui utterly mistook our meaning and had a pony
noun
A small horse; specifically, any of several small breeds of horse under 14.2 hands at the withers.
A horse of any size.
a contraption built like a mount, strong enough to support one's weight
A small serving of an alcoholic beverage, especially beer.
1879, “Some Queer Interviews: Interview with a Pony of Beer”, Puck, Vol. 5–6, p. 435
‘I’m on the inside track,’ said a pony of beer as it went galloping down a man’s throat.
A serving of 140 millilitres of beer (formerly 5 fl oz); a quarter pint.
verb
To lead (a horse) from another horse.
To use a crib or cheat-sheet in translating.
adj
Of little worth.