maghanap ng salita, tulad ng ratchet:
A fucken bra. For someone with big tits, or "Shoulder boulders".
"Hey, that girl just removed her boulder holder and I saw her norks."
ayon kay Grant Nicholas ika-12 ng Marso, 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.
ayon kay thatguy011071 ika-12 ng Enero, 2010
boys or mens cotton briefs underware
John was walking around in his boulder holders today.
ayon kay Deep Inurass ika-09 ng Setyembre, 2005
Another term for a bra
"Mary was walking around the mall with her boulder holder hanging right out of her shirt."
ayon kay Browneyedgirl413 ika-03 ng Hulyo, 2013