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a jammbox is just a really cool person. it is normally used for people who are not only really cool, but have delicious music taste. females are more often called jammboxes than males.
"Dude I just met this awesome girl and she digs The Strokes!"

"Man you're lucky. What a jammbox."
by hippiegopher October 20, 2005
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Aug 3 Word of the Day
Condition which causes you to place an Amazon order, then shortly after remember something else you needed and place another order.
Wow, 10 Amazon boxes showed up on my door today. My Amazheimer's must be acting up again.

Person 1: Bro, your Amazheimer's is getting out of control.
Person 2: It's OK, I have Prime.
by SamboMayhem August 01, 2020
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