Someone who makes a situation unnecessarily stressful or inconvenient in a manner that benefits nobody. Often includes usage of emotionally manipulative tactics such as
gaslighting, moving the goalposts, and
guilt-
tripping.
P1: "If you don't buy this off me I'll burn it all."
P2: "What is
the point of doing that?
Just give it to me."
P1: "
Nope, $600, take it or leave it."
P2: "Oh my god, you're such a psychological dickhead."