Top definition
An unnatural hybrid of a bird and a turtle.

A type of mythological monster, for example the Japanese Kappa
Hey lady! That monster birdle just ate your baby.
by Monkey storm October 21, 2013
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2
used by my best friend's dad when he was in highschool to denote the male reproductive organ
My friend Matt has a very small birdle.
by babturtdiapunk October 11, 2004
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