Hey iam a 16 year old male i have a

Patient: Hey iam a 16 year old male i have a wierd like thing on my penis that have white thing that come out if it if i try to clean it this thing and the white that comes out smells bad should i be worried its on the penis its self not on the head and it doesnt hurt or itch it is just there and i have it for like from years and iam sexually healthy but what is it

Doctor: