A wetnose is an insult someone uses when they are dissatisfied with your ability to execute commands in a very large machine, usually delivered by a superior.
“Ok wet nose here's a real tough one, flip on the auto pilot by hitting A”
A person who's lame and boring. Not particularly terrible, just like a "meh" person. They don't contribute a whole ton, they don't take initiative, they're gunna probably have a boring life. A shrug of a person.
Oh dude don't waste your time, that guy is a total wet noodle.
A level of intoxication that a girl reaches, at which point she starts crying for no reason.
Malina concluded she had wet noodle syndrome when she could not explain why she cried by herself in the bathroom for 2 hours at last night's party, ruining the night for her and everyone around her.