Blood flowing out of your penis. Your penis is a balloon.
why does your penis go red when you are aroused? simply because the blood is rushing to your penis
its probably red
penis
Any changes or rashes on the penis should be investigated by a doctor.
could be an allergy
They have it on their penis on their the red thing (Penis) why do they have it? to scape the semen of the females vagina to by past deformation.
Yes, that is the natural color of a dog's erect penis.
blood(I guess)
scabies
See a dr
MAN PERIOD. It is the only possible answer.