Having a positive outlook no matter what the situation is around you.

Optimism based on zero facts or information.
The stock market is crashing but Oppy keeps on buying and says he is not worrried. Oppy is Blligerently Optomistic about the market.

Some people don't care about the war they are just Belligerently Optimistic that everything will be alright.
_Cue_によって 2009年08月26日(水)

Words related to belligerently optimistic

carefree happy inebriated no common sense smile