A number of things happen. The guy gets turned on. He may reach orgasm. Finally, you may get semen in your mouth. From there, there are 2 possible options, spit or swallow, and you can do either one without harm, provided the guy is free of diseases.
yes
depends how long she will suck your penis...
Suck a penis
Normally, gay men not only suck on penis's they even insert their penis(s) into other men's rectums. This is known as Anal Sex.
Pull down the foreskin to expose the head of the penis.
I can and its great
suck my penis
It isn't
yes
Well it will do what any tick would do. Suck the blood out of its host. I'd suggest going to see doctor.
No you idiots suck my penis
suck penis