Green’s Dictionary of Slang

E-boy n.

[E n. + SE boy]

a devotee of MDMA.

[US]T. Marcus ‘Parallel Universe’ Diary Jun. 🌐 He came from an entire family of Greek Ecstasy suppliers, an operation that involved uncles, cousins and brothers in a close (and closed) network. [...] The self-appointed cool rulers of the Goa-cult didn’t know what to make of Greek E-boy.