Gaster Blaster

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*

by VolcanoKaiser November 20, 2019

gaster blaster

Sans' guns pew pew pew pew pew pew pew

Sans: I'm gonna freaking kill you.
Frisk: But saaans...
Sans: WITH A GASTER BLASTER!!!
Frisk: ded

by chara the human :) May 22, 2017