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78.
Jam
-Noun.

1. The blood a lady discharges from her Vagina whilst on her period.
"May we commence sexual intercource Geraldine?"

"Absolutley not robbert, my Vagnial region is dripping with period Jam"
by I am a fruit. September 14, 2009
 
79.
jam
another word for "do", or to take action

or to smoke pot
"I'll jam that."

or

"You guys wanna go jam?"
by chillinthamost May 21, 2005
 
80.
Jam
A word that sounds funny.
Person A: "Jam!"

Person B: "Ah ha ha ha ha"
by Words Wired Weird February 04, 2008
 
81.
Jam
In baseball, one may reference a 2 or 3 run homerun as such.
Bill: How was the game?
Tom: Awesome, Beltran hit a 3 run jam to end the game.
by GT8383 May 27, 2006
 
82.
a popular song
that's the jams!
by Anonymous October 16, 2002
 
83.
jam
One definition comes from the Roller Derby when the fastest skater passes those on the other team. When the skater is going really fast he is on a JAM. A slang useage example would be "let's jam".
Let's jam instead of let's go
by Roland October 31, 2005
 
84.
jam
A sarcastic noun used to call a song terrible, trendy, commercial or not good.
36-year-old Husband: I just got the new Hilary Duff from iTunes.
34-year-old Wife: Oh, how sweet of you, you know that's my jam!
by Nytebrew September 09, 2007