What are they? Mentioned briefly in Austin Powers 1 - but, without any further explanation. The only clue given is that Dr. Evil used to make them when he was a child. (Being a fictional film anyway - chances are they do not exist - or do they?)
Not having seen the film, i’ll have to take a stab (ahem) and say it’s probably akin to, erm, mutton dagger ?, pork sword?, one eyed milkman?
I actually e-mailed Cecil this question in an effort to exhaust all possible resources in pursuit of the meaning of meat helmets- he refused to answer. I have also checked all the encyclopedias at my school as well as several CD ROMs and the only thing I can conclude is that Mike Myers just has an overacive imagination and made the whole bit up.
Now is the time for all good men to come the the aid of their gazorninplatt.
Well it’s also a song by Poppa Chubby…
What the? Considering the rest of Dr. Evil’s monologue, I would assume that a meat helmet is exactly what it sounds like; a helmet composed of meat.
Fippo-
Uh-Oh! The truck have started to move!
mmmmmm…
what is essential is invisible to the eye -the fox
I am a little more curious about the advantages of a shorn scrotum.
I’m not alone am I? Right? Guys? Help?
We must blame them and cause a fuss before somebody thinks of blaming us.
Sheila Broflofski
The good Dr. never says there’s any advantages - just that it’s “breathtaking”. God, I love that movie.
<<<Shudder>>> It’s not just the fear of nicking on the way out…but, the horror of the ITCHING on the way back in. God bless hair. 
Cartooniverse
If you want to kiss the sky, you’d better learn how to kneel.
This could be the very lead I need . . . what other nuggets of info can you proffer, o’ wise one?