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in·boo·bi·ta·bly in-boo-bi-tuh-blee, -dyoo- Show IPA
that cannot be doubted; patently evident or certain; unquestionably that's a nice rack girrrl

Basically the same word as Indubitably but a lot more fun to say.
Matt - "So you're saying those tits on her aren't even real?"
Michael - "Inboobitably"

Matt - "Dude have you tried this new beer?"
Michael - "Inboobitably"
by Mook O'Donovan December 06, 2011
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