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A cannabis joint of unruley size. Usually pertaining to a double papered joint that while of regular length has a disproportionately wide girth.
Yo, I just rolled up a fatty boom-batty jay of this skunky ass weed yo! Were gonna get so high...yeah!
by ChunkyD August 14, 2006
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The biggest of all blunts or a big girl one would like to poke
1. Yo man twist up another fatty boom batty bulnt!
2. Maaannn, last night I needed to get some and there was no one but a fatty boom batty
by lonestar July 28, 2004
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A big motherfucking joint, at least 2 big rizla's.
As I came into Sam's room and he was just rolling up a Fatty boom batty, next news he blazed that motherfucker up and it smoked goood!
by Glaswejin July 04, 2011
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A large, oversized spliff, usually made with weed rather than cannabis resin.
"Let's stay at home and smoke a Fatty Boom-Batty"
by Ross Purvis November 09, 2003
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A female of the obese type, especially in the posterior region.
Tom: Did anybody see that chick I was dancing with last night?
Wes: Dude, two words, Fatty Boombatty!
by Weslon June 02, 2006
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