Meaning a Jewish Gem. Dark in substance the Gem is highly valued amongst the Jewish community, although often frowned upon by others. It is a very rare Gem and there is only one listed in existence today. There have been rumours of others being discovered but to date all claims have been dismissed.
"Oh look there's a Jewberrie"
"Praise the Jewberrie"
Affectionate term for someone tight with money.
Babe, you're such a jewberrie if you can't buy me jimmy choo's at least buy me some flowers!