This is the 11547th most frequent Portuguese word.
panga
A type of machete or small boat.
Here, 'panga' is used to refer to a type of fish.
Ele pescou um panga grande no rio.
He caught a large panga fish in the river.
In this context, 'panga' is used to mean 'machete', a tool.
Cuidado para não cortar demais com a panga!
Be careful not to cut too much with the machete!
'Panga' here is metaphorically used to describe a chaotic or messy situation.