First off..Vaginal odor is typically from inflammation of the vaginal area. Inflammation of the vaginal area is often a result of infection in or around the vagina. Could be caused by Infection (Bacterial, Chlamydia, Gonorrhea, Trichomoniasis, Pelvic Inflammatory Disease/PID, Yeast/Candida ) Ulcers from Infection (Chancroid, Genital Herpes, Syphilis, Lymphogranuloma Venereum/LGV) As you can see there could be a lot of problems going on, if you think you or a friend might have an STD you need to talk to a doctor immediately!