sandbag

IPA: sˈændbæg

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.
An engraver's leather cushion, etc.
(poker) A deceptive play whereby a player with a strong hand bets weakly or passively.

(transitive, intransitive) To construct a barrier of sandbags (around).
(transitive) To strike someone with a sandbag or other object to disable or render unconscious.
(figurative, intransitive, originally US) To conceal or misrepresent one's true position, potential, or intent in order to gain an advantage; (originally poker) to pretend to have a weak hand, as a strategy.
(figurative, transitive) To blindside; to deceive; to undermine.
To pretend to drink early on so that, as the night draws on, one can drink everybody else "under the table".

Examples of "sandbag" in Sentences

The homeowners placed sandbags along the riverbank to protect their property from flooding
During the storm, the crew worked quickly to fill and stack sandbags to prevent erosion on the beach
The weightlifter used sandbags in his training regimen to build strength and endurance
The soldier used a sandbag as a makeshift pillow while resting in the trenches
The shopkeeper used sandbags to weigh down a canopy during a windy day at the outdoor market