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Vacation Hair occurs when one is on vacation (to the ocean) and their hair becomes un-ruly, frizzy and fugly.
Vacation Hair can happen to anyone, but is usually seen on mothers and aunts, in other words, women between 35-60, and harshly acknowledged by younger generations viewing the phenomenon.

Girl #1- look at mom's Vacation Hair !

Girl #2-i know! she looks like a 70's olympic athlete!
by K8eK8eBoB8e February 28, 2010