When a man takes his penis and testicles and makes them look like a mathematical division sign.
Cool Guy #1: Hey my dick and ball look like a division sign when I wear tight jeans.
Cool Guy #2: Yea dude you are totally foldging! Sweet!
Cool Guy #1: Lets go show my sister!

I gave that bitch the foldge all night long! She then proceeded to have multiple orgasms.
by John Power January 10, 2008
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When you make your dick look like a division sign.
Hey dude look in the mirror, can you see my foldge?
by ZackS123 January 1, 2008
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