Farting in another's eyes, then, while they are disoriented, pooping directly into their mouth. Before the recipient has time to recover, one must insert their dick or vagina into said mouth and, using cum, swirl the substance into a grey ooze. When all this is done, the recipient will begin to vomit (if they already haven't), which will work great as lube for anal sex. Usually, more pooping occurs.
"What'd you do last night?"
"I watched a Philadelphia Phantom. It was sick!"
"Yea, I know. They are a pretty good team. Who did they face?"
"No, you don't understand. I'm not talking hockey. I'm talking full ass-to-mouth phantom!"