Beliqueada is a very modern slang term that comes from the word bélico, which literally means "warlike" or "bellicose".
In the context of modern Regional Mexican music, bélico describes a whole subculture and aesthetic associated with confidence, luxury, and a tough, ready-for-anything attitude. Therefore, la beliqueada refers to the party, the scene, or the act of living this specific lifestyle. It's a unique piece of slang you'll only learn from songs like this.
CRAZYZ starts with a clingy voice memo asking "¿A qué hora vienes por mí? Te extraño" ("What time are you coming to pick me up? I miss you"), and Fuerza Regida instantly ignores it to go party. Instead of heading home, the narrator gets a text from "una güerita bien guapa" ("a very pretty blonde girl") and orders VIP treatment for his entire crew: "Gerente, traigan muchachas pa' toda mi plebada" ("Manager, bring girls for all my boys"). In Mexican slang, plebada means your circle of friends, while lana simply means cash. The whole track runs on that spend-it-all, stay-up-all-night energy where tomorrow's responsibilities do not exist.
The chorus pulls no punches about who is partying with them: college girls who are sick of acting innocent. The lyrics point out that "de la uni están cansadas y de fingir que se portan bien en casa" ("they're tired of university and tired of pretending to behave well at home"), choosing chaos over sleep. When a friend hesitates because he has to work the next day, the response is blunt: "Carnal, no diga mamadas, que chambea mañana / Cáigale sin drama" ("Bro, stop talking nonsense about working tomorrow; show up without the drama"). Fueled by "shots, Hpnotiq y lavada" (the blue liqueur mixed with refined cocaine), Fuerza Regida turns a regular night out into a wild, sleepless marathon for "la beliqueada" (the war-ready, hardcore partiers).