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Short for "pectoral muscle," one of the two large, flat muscles that go across one's chest. Typically used in the plural. Wow, my pecs are really sore after that workout!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
pecksand pecs and pects (pɛk(t)s)
n. the pectoral muscles. (From weightlifting and bodybuilding.) Look at the pecks on that guy!
See also: peck
See also: Pécs
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.