I get hard bumps on around my genital area sometimes. after a few days the bumps pop and yellow puss comes out. im 17 years old and i'm a virgin. ?

Folliculitis: Sounds like you have folliculitis, which is an infection of one or more of the pockets from which hair grows (follicles). Usually, these are caused by a bacteria or fungus and can be treated at home with good hygiene. However, I strongly advise you to SEE A DOCTOR for a full evaluation and treatment, as many seemingly simple ailments can turn out to be a more serious condition, such as STIs.