Definition of "deffo" [deffo]

• Definite. (adjective)
• Definitely. (adverb)

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• "The man alleged to be Williams is heard to say 'can I count on you tomorrow', to which the witness replies, 'deffo', slang for definitely."
• "But … we should deffo hold off on offering our congrats just yet."
• "I deffo plan to keep my ass HERE at home for the foreseeable future."