LEZ BO

Stands for "Low-Energy-Zone Boy". It identifies a male of some kind who is constantly in a state of low energy who may or may not drain the energy out of social situations they're involved in. This could be caused by depression, by alexithemia, by upbringing, or by other life circumstances. Can manifest with irritability or without it. Some LEZ BO's seem emotionally dead.

"Tim always sucks the life out of the party. He's such a LEZ BO."

"I know that Jake works a different shift than our friend group, but does he always have to be such a LEZ BO all the time?"

"Oh, I can't hang out with Billy. He'll put me to sleep! He's such a LEZ BO."