i Register
In some senses, whop is marked as informal, slang. Watch for register when choosing this word.
verb
To throw or move (something) quickly, usually with an impact.
He angrily whopped the book onto the table.
Then I'd wake up an' screech and roar—then off to sleep again—to dream that Spanker had run away with me, or that father was whopping me, or some other plaguey thing, till mornin'.
To administer corporal punishment to.
noun
A blow or strike.