When someone farts or stinks up the bathroom on Thanksgiving.
Bobo was the Ranksgiving turkey when he stank up the only bathroom at grandma’s.
by HumaneAnimal November 14, 2017
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Horrible Thanksgiving experience where at least one of your family members throws a fit, your dad insults your aunt, and your grandpa insults you. Everyone will also get drunk on wine.
Person 1: How was your Thanksgiving?

Person 2: More like Ranksgiving - my aunt got really drunk and promised me scuba diving lessons when in reality she's broke.

Person 1: Hey, that happened to me, too!
by Molly the Menace November 17, 2011
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The person who farts, or stinks up the bathroom on Thanksgiving. The Ranksgiving perpetrator.
Bobo let a huge fart rip in the kitchen at the family thanksgiving. What a Ranksgiving turkey!
by HumaneAnimal November 14, 2017
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