Examples of “loco” in a Sentence

adj Crazy or out of one's mind (informal).

• He went completely loco when he heard the news.
• You'd be loco to turn down that offer.
• My brother is loco if he thinks he can finish that in an hour.

noun A poisonous rangeland plant (of the genus Astragalus or Oxytropis) that causes a form of madness in grazing animals when eaten.

• Cattle that graze on loco can start staggering and behaving erratically.
• The rancher pulled up every patch of loco near the fence line.
• Horses that eat loco may act strangely and lose their balance.