/wm; [US] hwæm; hwæm/
interj, n (infml 口) (imitation of the) sound of a sudden heavy blow 突然的重击声（的象声词）
*Wham! The car hit the wall. 砰! 汽车撞到墙上了.
* The door struck him in the face with a terrific wham. 门砰的一声巨响, 把他的脸撞了.

v (-mm-) (infml 口)
(a) [Ipr, Ip] strike sth/sb violently 猛打某物[某人]
*It whammed into the wall. 那东西猛然撞到墙上.
(b) [Tn, Tn.pr, Tn.p] strike (sth/sb) violently; move (sth) quickly, noisily or forcefully 猛打（某物[某人]）; 移动（某物）（迅速地、同时发出声响或有力地）
*He whammed the ball into the back of the net. 他一用力把球打到球网的後面去了.