A thin shoe. To pump; to endeavour to draw a secret from any one without his perceiving it. Your pump is good, but your sucker is dry; said by one to a person who is attempting to pump him. Pumping was also a punishment for bailiffs who attempted to act in privileged places, such as the Mint, Temple, &c. It is also a piece of discipline administered to a pickpocket caught in the fact, when there is no pond at hand. To pump ship; to make water, and sometimes to vomit. SEA PHRASE.