Similar to the fiery dragon, only, while climaxing, the man holds his partner's nose and whispers, "I have syphilis," in her ear. This causes her to spit his manseed out, creating the Mongolian mustache, after which, he punches her in the face, causing her to appear as if she is breathing fire, like a dragon.
"Dude, my girlfriend was pissing me off before we had sex last night, so I gave her the old Mongolian Fire Dragon."
a sex position in which a woman does a hand stand and splits at the same time and the man gets a running start and jumps on top of her thrusting inside and balancing himself out on top of her.
Friend: What your favorite sex position?
You: Mongolian Firebird of course!
Friend: There's no way you could actuallypull that off!