Example: "A whacking good story"
Example: "A whacking phone bill"
To hit, slap or strike.
To kill, bump off.
To share or parcel out; often with up.
Example: "To whack the spoils of a robbery"
To beat convincingly; to thrash.
(usually in the negative) to surpass; to better.
Exceptionally large; whopping (often followed by an adjective such as great or big).