audio
adjective
batty - Mad and slightly crazy, usually in a humorous way
nuts - Crazy, insane, or stupid, often in a humorous way
noun
lunatic - A person who is crazy
zany - Amusingly unconventional and different
crank - Someone who others think has unusual ideas or behaves strangely
weirdo - A person whose dress or behavior seems strange
bonkers - Mentally unbalanced, mad and crazy, usually meant humorously
kooky - Strange and different, in a funny way
wacky - Something that is strange and different to the point of amusement.
Picture
Blabbermouth - An overly talkative person who speaks without thinking.
hysterical - Having uncontrolled extreme emotion
Delirious - In a disturbed state of mind, often due to illness or fever, leading to confusion and hallucinations.