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1.
another name for FANNY MINGE OR FANJITA
'do u have an itchy flu flu??'
by Sam albert is so fine Cook July 07, 2003
 
2.
Flu-Flu is another term for vagina. Often used when dealing with a baby when changing a diaper.
"Cover that Flu-Flu, no wants to see a baby bug."

by NOS BOD January 27, 2009