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1.
The combination of the words doof, poopy, and tits. Generally has a odd way of making people laugh. Also can be used as a pun or insult.
"Hey____." "Ya?" "Doofenpoopytits." "haha! LOLCATS!" or "ARG!!! Your such a doofenpoopytit!!!"
by beefjerkylolcats October 14, 2011