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1.
A hand-rolled cigarette combining marijuana and tobacco consumed for the sole purpose of getting high.

It is a portmanteau word derived from the words "spliff" and "jozza". “Spliff” is a colloquial term for a classic cigarette and “jozza” is a colloquial term for a marijuana joint.
Hol: “Hey Lavo can you please roll a splozza I’m so high I can’t feel my face”

Lavo: “Yeah sure”

B: “Give him some money – he’s poor”
by BandH December 01, 2010