'oi lads, lets hop on this banter wagon to the pub'  'wha-gwan rude boy, last night i was [driving the banter wagon] all round the city'
syn
"'oi lads, lets hop on this banter wagon to the pub'  'wha-gwan rude boy, last night i was [driving the banter wagon] all round the city'" What is the definition of "banter wagon"?