loco(redirected from Locó)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
in loco parentis
Responsible for a child's well-being while his or her parents are absent. Does being a teacher ever make you nervous, having to be in loco parentis to so many young kids?
See also: loco
Rur. completely crazy. (Loco is from a Spanish word meaning "mad.") You're plumb loco if you think I'll go along with that. All those people were running around like they were plumb loco.
mod. crazy. (From Spanish.) Who is that loco kid jumping up and down in the front seat?
plumb loco(ˈpləm ˈloko)
mod. completely crazy. (Folksy. Loco is from a Spanish word meaning “mad.”) You’re plumb loco if you think I’ll go along with that.