A woman who blocks cocks and blocks all chances of anyone scoring with her.  She protects her vagina.  Also may block the vagina of a friend, protecting her friends box and blocking all Cock from getting in
That hot girl at the party was totally gonna flash me, but her fat friend was being a box protector and told her no!!
by Bud Hohle October 21, 2007
 Get the Box protectormug.
Get the Box protectormug.