milk shake
noun
Definitions
A thick beverage consisting of milk and ice cream mixed together, often with fruit, chocolate, or other flavoring.
A thin beverage, similar to the above, but with no ice cream or significantly less of it.
A beverage consisting of fruit juice, water, and some milk, as served in Southeast Asia.
Accidental emulsion of oil and water in an engine.
Example: This milkshake under the oil cap, or on the dipstick, indicates a blown head gasket.