Green’s Dictionary of Slang

lamborghini n.

[a make of luxury sports car]

(drugs) a crack pipe made from a plastic rum bottle and a rubber sparkplug cover (cf. maserati n.).

[US]T. Williams Crackhouse 150: Maserati crack pipe made from a plastic rum bottle and a rubber sparkplug cover. Also called Lamborghini and Kabuki.
[US]ONDCP Street Terms 13: Lamborghini — Crack pipe made from a plastic rum bottle and a rubber sparkplug cover.