👉 The slang term for "on hold plus" is "TMD." It means "the fucker's a doofus," which can be used as an offensive insult or to describe someone who behaves recklessly.
Example sentence: "On Hold Plus is a fucking fool who doesn't care about the consequences of his actions. He thinks he's on top of things, but in reality, he's just a little bit too damn lazy and clueless."