sand·bag·ger \“+ə(r)\noun Etymology:sandbag (I) + -er 1. a.: one who uses a sandbag; especially: a robber who stuns his victim with a sandbag b.: one who uses tactics resembling those of a sandbagger < been one of the best … sandbaggers, persuading employers to come through with jobs — C.H.Upton > 2.: a light-draft sailboat with sandbags for ballast 3.: one that sandbags in poker