jargoneer Share definition Flag noun, a person prone to the excessive employ, in normal conversation, of any type of jargon (be it medical or corporate). Jargoneer: "Let's ideate around this, and get some high-level action items down" jargoneer by Stratwich May 15, 2009 0 0 Get merch Get the jargoneer mug. Buy Now — $32.95 See more merch