by chara the human :) May 22, 2017
Get the gaster blaster mug.A sexual act where one person chugs an entire gallon of milk while giving oral sex. Then vomits the milk at high velocity at their partner's penis.
Girl: I'm just about ready to use my ultimate move.
Guy: Ok, do it babe.
Girl: ACTIVATE: GASTER BLASTER
*Girl proceeds to do the action of Gaster Blasting*
Guy: Ok, do it babe.
Girl: ACTIVATE: GASTER BLASTER
*Girl proceeds to do the action of Gaster Blasting*
by VolcanoKaiser November 19, 2019
Get the Gaster Blaster mug.