1 definition by renayyroach

a term that many avid ornithologists use when describing a bird that looks sickly, or not up to full health. "ill" referring to the sickness, and "egal" (short for eagle) in reference to the bird--thus "sick bird"
John: "Hey Mike check out that beautiful bird through your binoculars."

Mike: "It looks good from far away, but it's an illegal, not very good looking."
by renayyroach June 2, 2009
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