(one's) pump(redirected from his pump)
dated One's heart. The doctor said there was some blockage in my pump. Looks like I might need a shunt.
See also: pump
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. tv. to press someone for an answer or information. Don’t pump me! I will tell you nothing!
2. n. the heart. (see also ticker.) He has the pump of a forty-year-old.
3. n. a pumped-up muscle. (Bodybuilding.) He’s tired and can’t quite make a pump.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.