A cleft chin, normally shaped in a way resembling a human butt
My red headed friend has a huge buttchin
by dibbs34 August 6, 2005
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A chin with a large (or even noticeable) cleft.
Why did that guy get chin implants? Now he has a buttchin.
by completely_harmless September 4, 2005
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A gang or clan started in Durban, some people claim that they stole their name from and Indian actor but he actually stole it from them. Consists of an elder baboos and his sexy friends.
‘My friend insulted a member of amitab buttchin and they raped him’

‘I wish amitab buttchin allowed mongers so I could join’
by Elder baboos November 19, 2018
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Jessica: Sophia has a big buttchin
Kris: I know
by I_Ate_A_Waffle January 8, 2023
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