whack

(wæk

)

verb (transitive)

1 to strike with a sharp resounding blow

2 (usually passive) British informal to exhaust completely

3 (transitive; usually followed by in or on) informal to put something on to or into something else with force or abandon ■ whack on some sunscreen

▷ noun

4 (transitive) US slang to murder ■ if you were out of line you got whacked

5 a sharp resounding blow or the noise made by such a blow

6 informal a share or portion

7 informal a try or attempt (esp in the phrase have a whack at)

8 See out of whack

▷ exclamation

9 an exclamation imitating the noise of a sharp resounding blow

[C18: perhaps a variant of thwack, ultimately of imitative origin]

> ˈwhacker

noun

whacker