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One who has not yet had sex with Tiger Woods. It is expected that by the year 2020, Tigerginity will be nonexistant among female humans.
ERIN: I still have my tigerginity but not my virginity.
KAYLA: Dude, I lost my tigerginity when I was fifteen...

Contrary to popular opinion, Hilary Clinton is no longer a tigergin.
by Ivy108 April 02, 2011