protective underwear for a guy. looks like briefs with no backing. holds up the balls and penis so that there's no discomfort during sports or working out.
i wear a jockstrap when i play basketball
that guy has such a small package i bet he doesn't need a jockstrap.
by dave August 5, 2003
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underwear for males, that can look like a thong,brief, or boxer and is used to protect the males balls, and penis while playing a sport.
today after basketball practice we all through our jockstraps at the nerds.
by aeb1 October 5, 2006
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A word used to describe someone who lacks common sense and has poor social manners. They like to gloat about themselves and their achievements, even if that means demoralizing others.
Bob: "dayyumm, this girl's the epitome of ugly. HAHA... the compete opposite of me"

Mary: "wow, this guy is the biggest jockstrap"

Joe: "what a JS"
by ongbayz December 20, 2012
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A jockstrap is a gay male undergarment, typically worn by gay teens. It is typically made out of elastic and cotton, appearing as briefs without a back. No longer just for sports, now it is popular among all hot teen boys, mostly gays.
He is wearing a jockstrap!

He must be gay! I would totally fuck his ass!
by Gaytwink15 July 4, 2017
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1) a 'jock', or any athletic overachiever.
2) a device that is worn by males to protect their genitalia while participating in athletic activities.
that jockstrap is such a fucking neckhead.
by john moritz August 25, 2003
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Wearing your mask over your chin so it looks like you have a jockstrap over your head.
Check out Karen jockstrapping that mask.
by AHuge September 8, 2020
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Underwear boys wear so their dick doesn’t move when playing sport
Dude, Braeden’s cock looks so small when he wears that jockstrap. Katie should bounce on my balls instead. My dick is huge. I want to fuck her so hard!
by Ash_1234 August 30, 2018
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