A sex move involving 2 guys a dead person and a ladder where one person is having sex with the dead person whale the other jumps of the ladder on to the dead person making guts go everywhere. This results in extra pleasure
Dan: Hey Mike why do you have all have all those dead person guts all over you?
Mike: Last night me and Marcus went to the graveyard and did The Murphy to Sally's dead body and because i won rock paper scissors Marcus had to jump.
When a man is performing oral sex on a red headed woman with a fully developed red bush, just as the woman begins to reach climax she squeezes out a gas whisper in her partners face.
"Dude, I was going down on this firecrackerchick and she gave me The Methane Murphy"