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An itch developed after a person is swimming in a non-stagnant body of water, (ex: bay, ocean, river) then persists to apply pressure to the butt by sitting or other activities.
"I got mad bay butt after swimming in the ocean than sitting down"
by Big Red 65 January 23, 2009
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A person of limited social skills, who resorts to mawkish self-flagulation in attempt to make an imprint on other people's lives. So called because they usually attempt to be as smooth as a baby's butt.
"why is this dude telling everyone about how well he's doing at work?"

"He's just a baybutt"
by BillBones789 November 27, 2018
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