The act of making out while blacked out, as a result of extreme intoxication. Usually only remembered by the BoMo-er's less inebriated friends and/or documented by photograph.
Maya: "Jealous? Was he a beautiful baby?"
Ashley: "Yeah, right after you credit carded him. He was probably a dad."
Bomo's are a good thing. People who are bomoed should be flattered.
A: "I don't remember"
Noun: Q: "Do you like him?"
A: "No, he's just a bomo."