- plysu
- A situation where, under repeated questioning, somebody's previous mental state changes as a direct result of the questioning.
A: Are you ok?
B: Yes, fine.
A: Are you sure?
B: Yes.
A: No, seriously, are you ok?
B: Yes.
A: Are you sure?
B: Dammit! Stop asking me. I've already told you.
A: Ah, you're not okay at all.
B: Look, it's just a plysu thing.
Dictionary of american slang with examples. .