auto-copulate

To fuck oneself.

Commonly used combined with the word "Go", as in "Go auto-copulate", best used in a polite tone as opposed to an aggressive one - e.g. "Please go auto-copulate".

noob: wtf hax yuo aer cheting how u can be so gooD1!?!
pwnerer: Please go auto-copulate.
noob: wat?
pwnerer: Go FUCK YOURSELF.