An adjective used to describe something or someone that is particularly shady, creepy, etc. Students in Southern California and particularly at San Dieguito Academy often use this word.
Courtney: Who's that person lurking behind the bathrooms?
McKenna: I don't know! He's really shady palm tree!
McKenna: I don't know! He's really shady palm tree!
by IchiNiSan November 1, 2009