<p><strong>Noun:</strong></p><ul><li>locos</li><li>locoweed</li><li>slang: an insane person; maniac</li><li>veterinary pathology: locoism</li></ul><p><strong>Verb:</strong></p><ul><li>to poison with locoweed</li><li>slang: to cause to be insane or crazy</li></ul><p><strong>Adjective:</strong></p><ul><li>slang: out of one's mind; insane; crazy</li></ul>