1) A horrible, scurrilous, fecally fecund urban pest.

2) Any loud, obnoxious bird, especially belonging to a species that can be found roosting in large, raucous groups. Seagulls are an excellent example of the dreaded packbawky.
"Look at that dirty packbawky on the balcony!"

"Where?"

"Look out!"

"Splat!"

"Nooooooo! My eye! Damned filthy packbawky!"
by Avian Oppressor February 24, 2004
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An ugly bird (bawky) that flies in packs.
Pecking packbawkies pick at pies.
by JMR March 26, 2004
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an elegant avian inhabiting urban areas. Packbawkies are valued for their rich melodious cries which mask the industrial clamour of city streets. They are intelligent and artistic, working collaboratively to decorate buildings using a transient medium composed of urates, oxalates, and phosphates.
This city would be dead without Packbawkies.
by Virge February 21, 2004
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Packbawky / Packbawkies - Noun.

A Socarism: Any species of noisy obnoxious bird. Especially in groups...that shit on your car.

Derived from Latin: gelamen - "gathering" ; bacchatus - "enraged".
1. "You dirty packbawkies, Get off my porch!!"

2. "Daniel's nothing but a filthy packbawky."
by Hamster Alliance January 14, 2004
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