out of (one's) tree

slang Crazy. After yet another sleepless night, I'm starting to feel like I'm out of my tree. He's out of his tree if he thinks this plan is going to work!

Common Names:

Name	Pronounced	Usage
Marciano	-	Portuguese, Spanish, Italian
Jennifer	['dʒenifə]
Tobiah	to-BIE-ə (English)	Biblical
Caj	-	Swedish, Norwegian, Danish
Vicki	VIK-ee	English
Aeson	-	Greek Mythology (Latinized)