bumba 1 verb English. Pumps air into s.t., as into a tire; sprays liquids onto s.t., as insecticide onto a house. Example sentence: Subanen. Gatep ta kiin, mipakayaw na mengkalat, saba' gipes. Subay sia bumbaan, adun megela' matay. English. This roof of ours is full of holes, because of cockroaches. We really ought to spray it, so that they will all die. Synonym. gulas