As a Noun: 1. A cloud of dust or steam caused by energetic activity. Often portrayed in cartoons with a drawing of a cloud of dust and a speech bubble with the word ‘kaboom!’ in it. English = dust cloud. 2. A cloud of dust, steam or smoke caused by some activity, often with machines. English = cloud (dust), cloud (steam), cloud (smoke). 3. Informal Auslan, good feelings remaining after a pleasurable or successful experience, especially having sex. English = afterglow. 4. Informal Auslan, the act of successfully having sexual intercourse with someone. As a Verb or Adjective: 1. To do some energetic activity likely to cause a disturbance and even raising a cloud of dust or steam. Often portrayed in cartoons with a drawing of a cloud of dust with a speech bubble and the word ‘kaboom!’ in it. 2. To do some activity, often with machines, likely to cause a cloud of dust, steam or smoke. 3. Informal Auslan, to have sex, to make love. 4. Informal Auslan, to succeed in attracting a casual sexual partner. Informal English = score.