The act of inserting an ecstasy tablet into the anus, in an attempt to maximise the effect of the drug.
Get that pill out of your mouth!

It's destined to become a Fizzy Bum, and it's headed straight for my arse.
by Edward Honda July 12, 2008
Get the Fizzy Bum mug.
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
Get the fizzy bum drop mug.
It is the fizzy feeling in your bum when you need the toilet
by sexyeyes1978 April 15, 2018
Get the Fizzy bum mug.