I. ˈhwam, ˈwam noun
Etymology: imitative
Date: 1739
1. : a solid blow
2. : the loud sound of a hard impact
II. adverb
or wham·mo ˈhwa-(ˌ)mō, ˈwa-
Date: 1924
: with violent abruptness
everything was going well; then wham the deal fell through
III. verb
( whammed ; wham·ming )
Date: 1925
transitive verb
: to propel, strike, or beat so as to produce a loud impact
intransitive verb
: to hit or explode with a loud impact