Its the smiley representation of the infamous "goatse"
Spencer: Craig, you douchebag what you do, specificly this (_>@<_) is wrong man!
Craig: STFU its my choice if I want to destroy my asshole!
Spencer: You are such a dumbass
A permanent solution for a temporary problem.
John was living a good life, until he became addicted to crack at which point his family intervened and locked him up. Unable to get his fix because he couldn't get any more rocks, he committed suicide by hanging himself with his belt.