Green’s Dictionary of Slang

lucky dip n.1

[rhy. sl. ]

1. a whip.

[UK]R. Puxley Fresh Rabbit.

2. in pl. chips, french fries.

[UK]R. Puxley Fresh Rabbit.

3. (Aus. prison) LSD [trip n.4 (1b)].

[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Lucky dip. Lysergic acid.

4. (N.Z. prison) by ext. of sense 3, a mix of psychedelics which the user swallows without knowing what their effects may be.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 111/1: lucky dip (also lucky) n. chemical substance soaked into blotting paper in a similar way to LSD, containing a mixture of various unspecified drugs (often stronger than LSD). [the person buying this concoction does not know what it consists of and consequently, what effect it will have] .