a small, usually black or brown creature with a long, soft body and no arms or legs, like a snail but with no shell

mainly US informal a slow-moving, lazy person

informal a bullet:

informal an amount of drink, especially strong alcoholic drink, that you can swallow at one time:

US a piece of metal used instead of a coin for putting in machines

informal to hit someone hard with the fist (= closed hand):

US to hit a baseball hard