Gaster Asster

The gluteus maximus of Gaster from the game undertale . used as a joke to express sexual attraction towards the character.

person 1: i find Gaster attractive..
person 2: so does that mean you like his Gaster asster?

Gaster Asster by songtune May 20, 2016

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Related Words

Gaster Asster • gaster • gaster blaster • Gaster Bullshit • Gaster Effect • Gaster Sans • wing gaster • A Gaster among other • Bruton Gaster • WingDing Gaster