Top definition
Acronym for "What is said here stays here"

Used in either IM chats or verbally
A: Oh, I have something to tell you. I am gay
B: REALLY? I need to tell my other friends.
A: But you can't. WISHSH

F: WISHSH
G: Ok.
F: (secret goes here)
by mushypizza December 21, 2010
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