Bango-

-bango- (deficient v Precipitately. Rashly. Without thought - used with affirmative verb). 

 Kurerutsa Mutauro 

Anobangotaura sokunge munhu akafunda chaizvo: he rushes into discussion as though he were a learned man. 
Unodavira usina kubangofunga: you answer without taking any thought.