etim. Spanish for "crazy", "insane", "mad".
Ese tío está loco
("That guy's crazy")
Means crazy but in Honduras loco is mostly used as "dude". For women say "loca" although this is mostly used between women for respect. Hondurans also use maje, primo, compa, papa, and loco when talking to friends.
"Que haces loco?" "Vas a ir al city mall loco?" "Adonde queda eso loco?"