sandbag

Meanings

1. A sturdy sack filled with sand, generally used in large numbers to make defensive walls against flooding, bullets, or shrapnel.
2. A small bag filled with sand and used as a cudgel.
3. An engraver's leather cushion, etc.
4. A deceptive play whereby a player with a strong hand bets weakly or passively.
5. A bag of illicit drugs.

1. To construct a barrier of sandbags (around).
2. To strike (someone) with a sandbag or other object to disable or render unconscious.
3. 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.
4. To blindside; to deceive; to undermine.
5. To premake dishes (prepare them in advance) (intransitive); to premake (dishes) (transitive).
6. To pretend to drink alcohol early on so that, as the night draws on, one can drink everybody else "under the table".

Etymology

From sand + bag.