A verb and adjective referring to the product of menstruation and the act of menstruation or 'period'. Based on the implication that menstruation is visually similar to strawberry jam.
She's on her jammies.
That looks like jammies on your desk.
by grimboj December 22, 2010
The word jammy, originaly from the D.C metropolitan area, is substituted for song.
Oh shit, thats my jammy, turn it up

Yo, you hear that new jammy, that shit is hot
by Caesar X. February 26, 2006

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