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A fucken bra. For someone with big tits, or "Shoulder boulders".
"Hey, that girl just removed her boulder holder and I saw her norks."
dodane przez Grant Nicholas marzec 12, 2004
What a female would use to hold up very large breasts, industrial strength.
Janice mentioned that her extra large breasts can only be held up by a boulderholder.

I think Janice's boulderholder is also bulletproof.
dodane przez thatguy011071 styczeń 12, 2010
boys or mens cotton briefs underware
John was walking around in his boulder holders today.
dodane przez Deep Inurass wrzesień 09, 2005
Another term for a bra
"Mary was walking around the mall with her boulder holder hanging right out of her shirt."
dodane przez Browneyedgirl413 lipiec 03, 2013