Green’s Dictionary of Slang

hash girl n.

also hesh girl
[? Zulu héshe, swooping onto, or heshe, a hawk]

(S.Afr.) a woman who frequents shebeens (drinking clubs) to rob the male patrons.

P. Becker in The 1820 46:7 32 : The lowest class shebeens [...] are patronized by [...] tsotsi gangs, fugitives from the law and the notorious ‘hesh girls’, or degenerate booze-soaked prostitutes who prey on youthful thugs and adult drunks [DSAE].
[SA]P.C. Venter Soweto 124: Those Small Time Joints where they add water to the beer [...] where the so-called hash girls promise sex and plunder your wallet withour delivering.
Pace Dec. 152 : The ‘small time joints’, patronised by ... tsotsi gangs .. and ‘hesh girls’ [DSAE].