sandbagger

n. one who fortifies with sandbags; coercer, intimidator

A sandbag is a sack made of burlap or other materials that is filled with sand or soil and used for such purposes as flood control, military fortification, shielding glass windows in war zones and ballast. Sandbags may be used during emergencies when rivers threaten to overflood, or a levee or dike is damaged. They may also be used in non-emergency situations (or after an emergency) as a foundation for new levees, or other water-control structures. Sandbags are not always an effective measure in the event of flooding because water will eventually seep through the bags and finer materials, like clay, may leak out through the seams.
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Noun
1. someone who deceives you about his true nature or intent in order to take advantage of you
(hypernym) deceiver, cheat, cheater, trickster, beguiler, slicker
(derivation) sandbag

(n.)
An assaulter whose weapon is a sand bag. See Sand bag, under Sand.
  

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