To trick or mislead.
To deceive someone by pretending to be weak, or (card games) by pretending to have a weak hand.
To strike someone with a sandbag or other object to disable or render unconscious.
To construct a barrier of sandbags around.
To pretend to drink early on so that, as the night draws on, one can drink everybody else "under the table".
To conceal or misrepresent one's true position, potential, or intent in order to gain an advantage.
A sturdy sack filled with sand, generally used in large numbers to make defensive walls against flooding, bullets, or shrapnel.
An engraver's leather cushion, etc.
A small bag filled with sand and used as a cudgel.
A deceptive play whereby a player with a strong hand bets weakly or passively.