1. An extremely smelly, gross, vile, possibly radioactive, dirty vagina that has been stretched beyond belief. Overflowing with semen from multiple men and some horses.
2. A dirty whore with said vagina.
1. "That bitch had such a nuclear envelope that I wouldn't even touch her with a 10 foot pole."
2. "I'm not putting my dick anywhere near that nuclear envelope!"
Rigorous sex act. Requires the male to vomit, deficate, and urinate into a blender. Liquify and microwave for three minutes and proceed to pour (with funnel) into the vagina of a female. The male then has vaginal intercourse with said female, pulls out right before ejaculation, spins around three times on one foot, and proceeds to finish his man-spray into the eyes of the female.
Guy 1 - "Do you remember Brenda from the other night? I totally gave her the 'Steamy Melvin'"