A Sexual Act involving William Darnus (Billy the Fridge), T.J. Kirk, Gregory Jackson(Onision), and any other fourth party.
The act involves the 4th person being tied up in Onisions basement while Billy crushes them with his fat belly, and T.J. puts his little banana in their mouth. It is implied that the act is more terrifying than being trapped in a tornado.
Actually a misnomer, as the sex act involves 4 people, it is still called a Three-way as the 4th person is in essence irrelevant to the etymology. It originates during the Drunken Peasants Podcast Episode #380
I tell you right now this tornado's second scariest thing i ever seen in my life, first scariest I was caught in between a Onision, T.J., and Billy The Fridge Three-Way
Some child ghoul shitbag from Fallout 4 who got stuck in a fridge before the bombs dropped and will follow the sole survivor around until they either take him to his parents or sell him off to be a slave, he will also call them an asshole every now and then.