sexのようなどんな単語でも探してください。
 
1.
A fucken bra. For someone with big tits, or "Shoulder boulders".
"Hey, that girl just removed her boulder holder and I saw her norks."
Grant Nicholasによって 2004年03月12日(金)
 
2.
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.
thatguy011071によって 2010年01月12日(火)
 
3.
boys or mens cotton briefs underware
John was walking around in his boulder holders today.
Deep Inurassによって 2005年09月09日(金)
 
4.
Another term for a bra
"Mary was walking around the mall with her boulder holder hanging right out of her shirt."
Browneyedgirl413によって 2013年07月03日(水)