Definition of go-in in English:

go-in

noun

informal, rare
  • Frequently with at. An attack, an onslaught; a quarrel, an argument; a ‘set-to’. Compare "run-in". Chiefly Australian in later use.

Origin

Mid 19th century (in an earlier sense). From to go in.

Pronunciation

go-in

/ˈɡəʊɪn/