A sturdy sack filled with sand, generally used in large numbers to make defensive walls against flooding, bullets, or shrapnel. / A small bag filled with sand and used as a cudgel.

(transitive) To construct a barrier of sandbags around. / (transitive) To strike someone with a sandbag or other object to disable or render unconscious.

plural of sandbag

simple past tense and past participle of sandbag

present participle of sandbag

The striking of a person with a sandbag or other heavy object. / Hiding the strength, skill or difficulty of something or someone early in an engagement.

plural of sandbagging

plural of sandbagger

One who sandbags (misleads about his/her ability level in order to win bets); a hustler. / (historical) A robber who uses a sandbag to stun victims.