Definition of "tippers" [tippers]

• Plural form of tipper. (noun)

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• "We saw, at least I did, a clear movement now where people, not just in al Anbar, but Mosul, really providing intelligence -- what we call tippers -- to the Iraqi commanders."
• "Experience has taught us that the most generous, and at the same time most gentlemanly, "tippers" are the"
• "Been working there a year and have realized for the most part that southerners are not nearly the kind of tippers that people from the northeast are."