Top definition
When you are trying to hold a fart in and you can feel it sliding past your arse cheeks so you kind of move your hips forward in an attempt to try and keep it in but ultimately ends in you farting like a spaz.
Jackson: Dude i really need to fart
Jackson Farts*
Kieran: Woah WTF... Why did you look like a spastic when you farted
Jackson: I tried to hold it in... it was a spazfart
by ItsJacko21 November 18, 2016
Get the mug
Get a spazfart mug for your cat James.