Brewing laughter across the blogosphere, “That’s Why I Dumped You” is not one for the fainthearted. TWIDY is an anonymous-posting site that makes a laughing stock out of every imaginable breakup scenario, categorized as everything from “Boozing” to “Just Hopelessness.” Whether participants have endured or inflicted their share of heartache, everyone has a reason to post. Even those who steer clear of the messy “he said/she said” drama will find the bashing site all too addicting.