When you have a kidney stone and can't ejaculate.
"Hey tom when was the last time you jacked off?"
"I haven't been able to for weeks I got a jammed gun"
by Kkk with one black guy December 22, 2016
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Another meaning for blue balls which is, during sex, you have the sensation,but nothing comes out
by MrSlick15 March 20, 2018
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