Usually found doubled to "Pnaah pnaah".
1. A half-word, half-snort, uttered by very posh people at the end of their sentences.
2. A retort used to mock somebody who is very posh.
1. "Say, Old Bean, I'm just nipping for High Tea at the Lodge, pnaah pnaah."
2. *said sarcastically, and used in retort to somebody very posh* "Oh, pnaah pnaah."
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