swell up; fig. become angry/furious, okuzimba nga budde or okuzimba nga kisaka, lit. to swell up like the weather or the bush, i.e., to become sullen/gloomy/morose/uncommunicative.
zimba (-zimbye) v.i. swell, swell up; fig. become angry/furious, okuzimba nga budde or okuzimba nga kisaka, lit. to swell up like the weather or the bush, i.e., to become sullen/gloomy/morose/uncommunicative.