What does "bulla men" mean?

[NewHopeR]

Context:

Who are they?
Archangels.
Huh?
17 seconds, once they jump from the chopper, that's their life expectancy.
You never thought of giving them parachutes?
They're not much help. They're bulla men.

[SlickVic9000]

(Not a Teacher)

I'm not familiar with that term and the context doesn't help much. For what it's worth, the most popular definition for 'bulla man' on Urban Dictionary.com is 'a homosexual male'.

[NewHopeR]

Thanks.
But still confusing.

[SlickVic9000]

(Not a Teacher)

Can you tell me what this book is about or give me it's name so I can look it up? Maybe that will give me a somewhat clearer picture.

[NewHopeR]

(Not a Teacher)

Can you tell me what this book is about or give me it's name so I can look it up? Maybe that will give me a somewhat clearer picture.

It's from the dialogues of Reign of Fire
Click the link above for full context there.