Definitions
1.NounThe sound of a heavy strike.
2.NounThe strike itself.
3.NounThe stroke itself, regardless of its successful impact.
4.NounAn attempt, a chance, a turn, a go, originally an attempt to beat someone or something."C'mon. Take a whack at it.; 40 bucks a whack."
5.NounA share, a portion, especially a full share or large portion.
6.NounA whack-up: a division of an amount into separate whacks, a divvying up.
7.NounA deal, an agreement."It's a whack!"
8.NounA harmful outcome or repercussion.
9.NounPCP, phencyclidine .
10.NounThe backslash, ⟨ \ ⟩."del c:\docs\readme.txt"
11.VerbTo hit, slap or strike."The bat whacked the baseball."
12.VerbTo assassinate, bump off.
13.VerbTo share or parcel out (often with up)."to whack the spoils of a robbery"
14.VerbTo beat convincingly; to thrash.
15.VerbTo surpass; to better.
16.VerbTo attempt something despite not knowing how to do it; to take on a task spontaneously and carelessly without planning.
17.VerbTo eat something hurriedly.
18.AdjectiveAlternative spelling of wack (“annoyingly or disappointingly bad”)."That's whack, yo!"