I got that exact same message today, and sent this reply, before banning him !
"Mar 16, 19:26 wanka: You haven't seen all of my pictures yet. My penis is normal. Maybe you should get medical treatment for your Phimosis, then post some pictures. I notice you have also sent similar messages to other members. It is impossible to have sex with a penis like yours, as your foreskin would probably bleed.

"
His reply was "shut your mouth"