1. a psychiatric hospital or mental institution
Usage: slang; offensive
2. a place characterized by chaos or confusion
Usage: informal

Examples

• The old building was once used as a nuthouse in the 1950s.
• He joked that his office felt like a nuthouse during the busy season.
• The crowded subway station was a complete nuthouse during rush hour.
• She said the family reunion turned into a real nuthouse with all the kids running around.
• The emergency room was like a nuthouse on Friday night.
• After the announcement, the newsroom became a nuthouse of activity.