Understand your fellow gymgoers. The following are the first few entries in a crude dictionary I'm putting together of fitness lingo.Jacked Big and muscular.Damn... I just saw a picture of the Cowboys' Terrell Owens with his shirt off and that dude is jacked."Or:"Sean eats seven meals a day; he's getting jacked."Origin: It probably derives from the image of jacking up a car--pumping your arms looks like you're inflating yourself. Synonyms: diesel, pumped, and buff (although most guys don't say "buff" anymore). Similar to but not exactly synonymous with "yoked" (see "yoked" for more.)Antonyms: small, stringy, puny, Urkel.Editor's note: My friend and colleague, master trainer Joe Stankowski, once remarked to me that he had never heard the term "jacked" before he started[...]
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