West Midlands dialect - "Perla"

Giganews Newsgroups
Subject: West Midlands dialect - "Perla"
Posted by:  brendanandsarah%blueyonder.co.…@gtempaccount.com
Date: Fri, 27 Oct 2017

My dad uses the word "Perla" as in he "he came a right perla" meaning he came to some harm.
Please can anyone explain where this comes from?
Thanks

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