milkshake

Meanings

1. A thick beverage consisting of milk and ice cream mixed together, often with fruit, chocolate, or other flavoring.
2. A thin beverage, similar to the above, but with no ice cream or significantly less of it.
3. A beverage consisting of fruit juice, water, and some milk, as served in Southeast Asia.
4. Accidental emulsion of oil and water in an engine.
5. An alkaline supplement administered to a horse to improve its racing performance.

1. To administer an alkaline supplement to (a horse) to improve its racing performance.
2. To throw a milkshake at (a person).

Etymology

From milk + shake.