mickey

1. A small bottle of liquor, holding 375 ml or 13 oz., typically shaped to fit in one's pocket.
2. A Mickey Finn; a beverage, usually alcoholic, that has been drugged.
3. American depression era term for a potato as in a "roasted mickey".
4. The penis.
5. The vagina.
6. A well-known honeyeater, the Noisy Miner, Manorina melanocephala, of eastern Australia.
7. (rural Australia) A young bull, especially one that is unbranded and running wild.
8. Piss, shortened and more commonly used form of Mickey Bliss.
9. The resolution of a mouse, used as a unit of length.

verb

To secretly slip drugs into somebody's drink.