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2 definitions by Mark Lawson

 
1.
The bulbous meat that lies between the legs of a lady.
Let me taste ya knicker beef.
by Mark Lawson May 22, 2006
 
2.
v: to place one's initials on the body (usually chest) of a girl using her own menstrual fluid. Typically done when the girl does not notify the man that she is on her period.

n: the act of or displaying of such an action
I was fingering Shirley last night and she didn't tell me she was riding the rag. So, I had to monogram her.
by Mark Lawson May 15, 2006