blackhole vagina
a female who has used a dildo/dick so much their vagina literally resembles a black hole. also in extreme cases the vagina gains the ability to suck up all on its path.some have even reported developing teeth, this is refered to as hacunamatata syndrome
person one: " i don't use a dildo, i actually have a life."
person 2 : "oh no you don't blackhole vagina!"
person 2 : "oh no you don't blackhole vagina!"