Pish posh

[Tina]

declaring ones opinions or thoughts absurd, irrelevant or redundant.

blowing off someones statement.

[Justin Bieber]

whatever

[Tina]

Pish Posh is used when you know something isnt right. Instead of going YA RIGHT, you simply say pish posh, This term is usually used with older drunken women in north carolina.

[Tina]

another way for saying bullshit, or complately incorrect

[Justin Bieber]

Literally translated destained fashion. Other translations: bad fashion (dress or behavior), bad taste. Used when you dont like were the person is going with their thoughts, and/or how the person is dressed.

[Sommer]

disdainfully smart.
(according to the exact definition, [pish] means expressing [disdain] while [posh] mean smart. so when someone says something intellectual, say pish posh! just to dis them back. )