(slang, transitive) To put roofies in; to spike with roofies. / (slang, transitive) To cause someone to (usually unknowingly) ingest roofies.

(idiomatic, euphemistic, often humorous) Gray or white hair on one's head, especially as an indication of aging.

(often humorous) Even if a person is in his or her senior years, with gray hair, he or she can still have ambition and energy, especially sexual energy.

plural of roofspace

The space inside a roof (between the roof and the ceiling).

Resembling or characteristic of a roof.

(transitive, intransitive) To announce eagerly and widely; to proclaim.

Absence of a roof.

A landscape above ground formed by roofs of buildings.

plural of roofscape