whoomp Syllabification: (whoomp)Pronunciation: /(h)wo͞omp/ (also whoomph /(h)wo͞omf/)Definition of whoomp noun a sudden sound, such as that made by a muffled or distant explosion:the distant whoomp of antiaircraft shells burstingOrigin: 1950s: imitativewhoomp in other Oxford dictionaries Definition of whoomp in the British & World English dictionary