Derived from a popular childrens action series power rangers Bowa is typically a battle cry. It is often used to show aggrivation/dismay at ones misfortune, or to show humour at someone elses.
Adam: 'AWH NAH! This maths test is solid I can't do it.
Peter: 'Me Neither'
Bow Out While Ahead
I just BOWA if i start losing a game..