Webster's Revised Unabridged Dictionary · 1913

Whack off

Whack off , transitive verb

to sever with a blow; to cut off.

Whack off , intransitive verb

to masturbate. [Vulgar]

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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