Rhyming slang for balls, as in testies. Can be shortened to Jimmys.
"Hey doc, I'm experiencing some minor irritation down stairs."
"On the Jimmy Hall's?"
(patient nods)

or

"Well...this is a real kick in the Jimmys"
by Jimmy Chungas July 31, 2008
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The name of the antagonist starred in “In the Dead of Night.” His character is a mentally delusional man. You are tasked to find out his secrets.
Watch out around the corner for Jimmy Hall.”
by Iknowwhatyouthink March 8, 2021
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