Some people can, all it takes is a flexible back.
While elephants have flexible trunks, it is not physically possible for an elephant to suck its own penis due to the anatomy and limitations of their body structure.
The answer is really very simple. You don't. Most men simply are not able to do that.
I'd guess you'd have to be flexible
its were you suck your own dick
You have ot suck a dick first (perferrabley your own and then you have it with your moth
ALL you have to do is SUCK your own DICK. haha
suck your own dick then you will have the answer
Suck Ard adz's dick
he suck his own dick
he suck his own dick
....ok first its a rather rare thing for somone to be able to suck there own dick......second of all mabey you should try GETTING A GIRLFRIEND!!!