"It's a slang word used in the Steel Industry, when someone has been thrown under the bus, had their accomplishments stolen, or done double or even triple the work due to piss poor trouble shooting by the Kron. "
A women, who from behind appears to have the hot body of a 16 year old, but when seen from the front has a face of a 64 year old. Derived from the famousbeer 'Kronenberg 1664'.
"I was stood at the bus stop mate, and I saw a proper Kronenbird stood there."