Top Definition
A computer that you mostly only use for watching porn. Cookies, history and malware don't matter because it gets used for nothing legit. That awkward moment when you realize you spent 1200 bucks on a masturbation aid.
"Dude, why do you have two laptops?"

"The black one's a whackbook."
by glubdammit June 10, 2012
When facebook is having perpetual glitchs, causing one to become infuriated and upset
You having problems with whackbook?
I can't get on whackbook today!!
by SimpleC June 09, 2011
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