English

Proper noun

Jeff

1. A diminutive of the male given name Jeffrey or Jeffery.

See also

• Geoff
• Mutt and Jeff

Manx

Proper noun

Jeff m

1. A male given name, Manx equivalent to Geoffrey.

Mutation

English

Verb

jeff ‎(third-person singular simple present jeffs, present participle jeffing, simple past and past participle jeffed)

1. (printing slang, intransitive) To play or gamble with em quads, throwing them as dice.

Derived terms

• jeffing (noun)