Top Definition
1. The result of a tampon being accidentally jammed up beyond it's normal course of travel by an outside influence (another tampon, a hammer or any object used for masturbatory purposes.

2. The act of rocking the F out like you just don't care
1. "I can't believe that chick at Pacific Beach had me Tamjam her - didn't she remember she was on the rag?"

2. "Let's just get really drunk and Tamjam at the bar tonight"
by Honorary Dude October 08, 2007
The act of participating in intercourse while a female still has a tampon inside her. Multiple acts of reverse power doggy, and the nitrogen power bomb force the tampon up into the cervix, requiring a trip to the hospital.

Commonly referred to as a "tampon jam" but this is the abbreviated version made popular circa 2007
Tim sure did tam jam that bitch last night. I heard the x-rays couldn't even find the tampax.
by Cic and Conk January 25, 2008

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