D. Looser Boobslang [U. Canterbury D.Phil. thesis] 7/1: ‘I had an alphabet weekend: A, B, C, D, E and F.’ i.e. the speaker took a Class A drug (e.g. LSD); a Class B drug (e.g. speed); and a Class C drug (e.g. cannabis); got drunk (D); took Ecstasy (cf. E) and ‘got Fucked’ (he either had sex, or became physically and mentally incapacitated.at alphabet weekend (n.) under alphabet, n.