Wiktionary
open mike
n. (context nonstandard English) (alternative spelling of open mic English)
Wikipedia
Open Mike (TV series)
Open Mike is an Australian interview-based talk show hosted by sports journalist and writer Mike Sheahan. Each week during the Australian Football League (AFL) season, Sheahan interviews a figure in the history of Australian football, discussing their involvement in the game, whether on-field or off-field, as well as their lives and contributions away from the game.