loco n.
1. (US) a lunatic.
![]() | Alvarez Papers in Carlisle Southwestern Dict. n.p.: Jerry Folger your friend has been trying to injure you his best by giving out [...] that you are a loco [DARE]. | |
![]() | Ballads of the Regiment 23: We are the lads who’ll smoke him out / On the trail of Loco Billy [i.e. Kaiser Wilhelm II] [DARE]. | |
![]() | Hopalong Cassidy Returns 15: ‘Got ’em yet?’ called the nester, carefully climbing a barbed wire fence. ‘Loco,’ grunted Hopalong. ‘Most nesters are,’ replied Red. | |
![]() | You Chirped a Chinful!! n.p.: [heading] Locos. | |
![]() | (con. 1953–7) Violent Gang (1967) 101: He was called ‘Loco’ for apparent reasons, and [...] had been under observation at Bellevue. | |
![]() | Brown’s Requiem 56: One loco made a lot of trouble. | |
![]() | Homeboy 178: Tack another deuce on that loco’s time. |
2. (US) madness.
![]() | Stray Subjects (1848) 130: Get out, with your d---d loco. | |
![]() | Arizona Nights 121: They had seen that white quartz with the gold stickin’ into it, and that’s the same as a dose of loco to miner gents. | |
![]() | Hopalong Cassidy Returns 117: Yo’re full of loco! | |
![]() | Hepster’s Dict. 7: Loco – The lack of intelligence. |
3. (US) a car, a locomotive.
![]() | Jarnegan (1928) 164: Tell the Chink to bring the Loco right away. |
4. (US teen gang) a Mexican-American gang member, thus fem. loca.
![]() | Barrio Gangs 178: locos. Crazies, usually, in gang context, short for vatos locos. | |
![]() | Always Running (1996) 83: I began high school a loco, with a heavy Pendleton shirt, sagging khaki pants. | |
![]() | Always Running (1996) 105: She was [...] a real loca [...] she had the high teased hair, the short, tight skirts, the ‘raccoon’ style makeup. |
5. (US drugs) marijuana.
![]() | Drugs from A to Z (1970). | |
![]() | Underground Dict. (1972). | |
![]() | ONDCP Street Terms 14: Loco (Spanish) — Marijuana. |