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Fatty fatty bum bum is a person of extreme obesity that their belly button is in a separate time zone to their arse.
Woah, that bloke is such a fatty fatty bum bum!
by xXx_suckmydick_xXx January 04, 2017
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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