double-dinking

Verb

double-dink (third-person singular simple present double-dinks, present participle double-dinking, simple past and past participle double-dinked)

1. (Australia, colloquial) To ride two on a horse, bicycle etc.
   • Any mug could see we were not discussing bicycles. ‘You're going to double-dink me,’ she said. […] ‘Put me in my ball gown on your bar.’ ‘I'll double-dink you,’ I said. ‘It'd be a pleasure.’1985, Peter Carey, Illywhacker, Faber and Faber, published 2003, page 500

   Synonyms:

   double-bank