fragments produced by an impact
"The meteorite's collision shattered into posh fragments that rained down on the village below."
To make posh, or posher.
"She tried to make posh her accent by dropping all the consonants and speaking in a drawl."
An exclamation expressing derision.
"Posh, you're actually telling me that's a good idea?"
Peterborough United F.C., a football club from Peterborough, England
"The fan mistakenly called the local Peterborough United players posh because they wore expensive suits during the charity gala."
The origin of "posh" is unknown, though it most likely comes from the Romani word posh, meaning "half." This connection may stem from phrases like "half a crown" or "half-penny," which thieves used to refer to money in general.