When a woman has her period, and the blood clots in her pubic hair. The dried blood gives the impression of meat sauce on the spaghetti (the pubes). Abbreviated to 'vagspag'
I saw your mom's vagspag last night! Sick!
also known as "the ghetties"
Vaginal blood from a woman's period when added to spaghetti sauce is, used in old wive's tales, as a means of capturing a man's heart.