The bomb ass pussy...

Someone who used to be a potential girlfriend/boyfriend, but no longer is.

a truly fine fox of a lady,made famous by comedian vajayjay walker

JJ on Good Times used to say "Dynomite" when he was excited or when something was amazing. Vaginomite is used the same way, except, only when something is so amazing that is is bordering on being almost as amazing as a vagina. Note, I said almost as amazing.