Jargon of an unknown origin with no real rhyme or reason. Seemingly used when no rapid response comes to mind (filler).

Usage implements further while the surrounding parties lack understanding. Almost as if the term is said more to upset the people around.
"That'll do, bartle doo"

*Bartender drops tins, shrugs* and says "bartle doo"

Cool Boss: "Hey team, let's focus on positivity today"
Team: "Bartle Doo!"
by Jake Virden May 26, 2023
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A cold, refreshing drink that is commonly referred to as Mountain Dew
Cletus does love himself some of that Mountain Bartle Skeet.
by msvxt November 14, 2017
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A person who pretends to be sick to get out of school
Person 1- “OMG someone’s been sick
Person 2- “ oh it’s only Thomas bartle-Selby
by Big peepee123 September 29, 2019
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Covered from top to bottom in muck
I just got splashed by a muddy puddle on way home. Hark at state of me, all bartled up!
by Kaotik_TNC June 22, 2020
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