Green’s Dictionary of Slang

(N.Z. drugs) a Rohypnol.

1989

Dominion (Wellington) 30 Apr. 3: Dr John Dobson, a drug clinic consultant.., says flunitrazepan, marketed as Rohypnol, is supposed to be a sleeping tablet. But it has become a favourite with pill popping addicts, and ‘rolies’ as they are known, sell on the street for up to $7 each... ‘It’s the drug that druggies use.’.