be a lunatic

Concise Bible Dictionary:

Strong’s Dictionary of Greek Words:

Greek:
σεληνιάζομαι
Transliteration:
seleniazomai
Phonic:
sel-ay-nee-ad’-zom-ahee
Meaning:
middle voice or passive from a presumed derivative of 4582; to be moon-struck, i.e. crazy
KJV Usage:
be a lunatic