Top definition
When you exercise and fart at the same time.
and/or
when the size of your booty determines the reverberating sound of your fart
My booty was so big I went to the gym and I fartacised
Wow, that's a really big fartacise!
When is the last time you fartacised?
by Concerto989 January 20, 2017
Get the mug
Get a fartacise mug for your girlfriend Zora.