An injury caused from sexual relations is not related to the genitals. Would usually include a sore muscle from being in a particularly awkward position for extended periods during sex.
Guy #1 "Oh man, my hip is so sore today, I was giving it to this girl last night and her whole body weight was on my thigh during a long period of reverse cowgirl"

Guy #2 "Ouch, I know the feeling, thats one bad sexjury you got there"
by PlowMeister September 21, 2009
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When your boyfriend makes you play Twister during a boink sesh, and an injury ensues.
"Don't ever try the Shimmy Shimmy Shake - it'll give you a sexjury."
by KingCone January 17, 2009
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When your boyfriend makes you play Twister during a boink sesh, and an injury ensues.
"Don't ever try the Shimmy Shimmy Shake - it'll give you a sexjury."
by KingCone January 17, 2009
Get the Sexjury mug.