One who has never:
a) Been hugged
b) Given a hug
c) Shared a hug
with someone unrelated, of the opposite gender, and not a "friendly hug".
(Side hugs DO NOT count)
Ariel: OMG, guess what I lost on Saturday!
Michelle: Your iPod again?
Ariel: Nope, my hug virginity!!
Michelle: No way! Congrats! Who with?
Ariel: This guy I just met...
Michelle: Oh, you naughty girl!