Slang One characterized by excessive concern for machismo. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "jock" in a sentence
"Maybe it's the smelly locker rooms or the requisite killer instinct, but the term jock has just never really fit you."
"Big Brother, Space Station Edition: Pick the hottest babes from an international set of scientists, one grumpy Russian, a cut party animal fighter jock from the US Navy and lock them in an orbital space station for 1 month of intense competition."
"Society, outside that crazy little crucible of high school — and even inside it given half a chance — thinks that jock is a complete arse-wipe."