1 definition by Fap-Master5k

Top Definition
Before, Or Partway Through Sex, The Enormous Lady Your With Motions Her Arse Up And Down While On Her Hands And Knees. Doing So Makes Her Arsecheeks Move In And Our Horizontally, Looking Like Her Butt Is Chuckling.
My Best Friends 300 lb. Mom Had The Hots For Me, And The Idea Sickened Me, But I Just Couldnt Resist Seeing If She Would Buttchuckle.
by Fap-Master5k August 25, 2008

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