1. a psychiatric hospital or mental institution
Usage: slang; informal

1. mentally ill or crazy
Usage: slang; informal

Examples

• They threatened to send him to the bughouse if he didn’t calm down.
• The old bughouse on the hill was finally demolished last year.
• He’s acting completely bughouse today.
• Don’t go bughouse over a simple mistake.
• The stress of the job was making her feel bughouse.
• That bughouse idea will never work in practice.