When just putting the ecstasy pills in your mouth and swallowing them isn't enough for you anymore you would "fizzy bum drop" or stick them up your bum bum and let them fizz away! make sure ya make it past the shelf though.
George: So i just walked into the bathroom and there he was with his hand up his arse with a pill on the end of his finger!

Michael: Ah the dirty fucker was doing a fizzy bum drop!
by heffheffernan May 13, 2009
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