Placing one's puckered butthole against someone else's face. First, spread your butt cheeks so as to fully expose the butthole. Next, slowly place the butthole up against someone's face. Finally, let go of the butt cheeks, so that they slap the person's face and flutter like a butterfly's wings.
Definition of butterflyist
1: a belief that clicking method is a fundamental determinant of human traits and capacities and that click differences produce an inherent superiority of a particular crafter
Marcel: I hate people who butterfly click. Jittering takes way more skill.
PuffedUp: Jesus, butterflyist in 2021? They should be cancelled.