Top Definition
A mix of a woman's pubic hair when it is so massive, it prevents anyone getting inside her, with a abnormally large pubic area where fatty waste is stored.
I can't believe you tried to do "Alexandria the Iron Curtain"

After working out for months Breean lost her Iron FUPA
by Axiomcj March 24, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×