Top Definition
To proceed in a debate despite the fact that you can't precisely define the specifics of your side of the issue, yet feeling sure enough about it to continue.

Also, to continue to be a source of frustration to someone due to the fact that they simply cannot figure out what the problem is.
Yeah, it turns out I was right! I whailed on him.

Ha! I whailed on him! I had spyware sending a video feed of his monitor to my iPhone. Ha!

Darn! My rig is just not working, and I have no idea why. I have tried everything I can think of. This thing is whailing on me.
by sheepdog91 October 03, 2010
Verb, Contraction of whack and wail.
The stupid American whailed on the polite English gentleman.
by Mark May 17, 2004
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