[hwak, wak] 
| 1. | to strike with a smart, resounding blow or blows. |
| 2. | Slang. to divide into or take in shares (often fol. by up): Whack the loot between us two. |
| 3. | to strike a smart, resounding blow or blows. |
| 4. | a smart, resounding blow: a whack with his hand. |
| 5. | Informal. a trial or attempt: to take a whack at a job. |
| 6. | Slang. a portion or share. |
| 7. | whack off,
|
| 8. | whack out, Slang. to produce quickly or, sometimes, carelessly: She whacks out a short story every week or so. |
| 9. | out of whack, Informal. out of order or alignment; not in proper condition. |
