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1 definition by nDn Style

 
1.
The tip of a large penis (Helmet) inserted quickly into your Girlfriend's butthole surprising her in pain during Sex
Anna: "Whitney, why are you walking funny?"

Whitney: Last night during sex we were doing it doggy style and my man slipped his Helmet From Hell in my ass by surprise, man it hurt like hell! Thats why im walking funny."
by nDn Style March 29, 2011