When a female has sex for the first time, and she bleeds, usually her cherry has popped. This is when a part of her vagina, is ruptured due to intimate affairs, usually. Other times it could burst due to uses of tampons and anything else that she may use up there. It is very painful for the woman but the pain succeeds within a few minutes.
Man: Babe, you're bleeding!
Female: It hurts, I think my cherry popped!
When a girl realizes that her tampon sticks half way out of her vagina
, it is known as a "shallow
When a man wants to have sex with a woman but can't be sexually pleased
because his dick will not go in her vagina.
"and that's when I learned my girl had a shallow vagina"