It is one thing to feel your stomach growling, it is another when a drug-induced trance brings about an appetite for human flesh. And that’s what New Zealand-made film  The Weed Eaters  dished up to moviegoers in Gore last week. An advanced screening of the R13 film took place at the St James Theatre, followed by a Q&A with some of the engine-room of the film, hosted by Gore Mayor Ben Bell. Director and producer Callum Devlin opened proceedings with a pun. ‘‘Are you ready to get gore-y?,” he asked the crowd. The theatre in Irk St was the southernmost location the film would play in, he said. Set in the 1980s, the film tracks four characters who made a farm shed a venue for New Year’s Eve celebrations. Things go awry when they get hold of a jar containing a potent purple drug — the sort that turns a cheese and cracker snack into a brain-scoffing extravaganza.…