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2.
A type of shirt worn by women that has a separate piece of fabric with an elastic under side making it very difficult for the hand of a guy to find its way to the bra and breast area.
Last night when the girlfriend and I were fooling around I couldn't get past her booblocker.
by Johnnyway December 01, 2010
 
1.
Big ass sunglasses, typically worn by females. Sometimes associated with "Stunna Shades".
Good Lord! Cant nobody see that bitch with them boo blockers on.
by Natasha Karl June 07, 2006