To help or encourage (something) to increase or improve; to assist in overcoming obstacles.
To lift or push from behind (one who is endeavoring to climb); to push up.
To steal.
To give a booster shot to.
To amplify; to signal boost.
To jump-start a vehicle by using cables to connect the battery in a running vehicle to the battery in a vehicle that won't start.
A positive intake manifold pressure in cars with turbochargers or superchargers.
A coordinate transformation that changes velocity.
A push from behind, as to one who is endeavoring to climb.
Something that helps, or adds power or effectiveness; assistance.
To conceal or misrepresent one's true position, potential, or intent in order to gain an advantage.
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 deceive someone by pretending to be weak, or (card games) by pretending to have a weak hand.
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.