Dirty Gust 

Farting at an inappropriate moment.

Farting on someones cock - a dirty gust

Dirty Gust by Kelogges February 2, 2013

Dirty Gustavo 

Jacking off while tripping balls on shrooms and hallucinating that your jizz is ice cream.

Tommy: I hallucinated my jizz was ice cream and gave it to my roommates.

Jonathon: What a dirty Gustavo...

Dirty Gustavo by dirtygustavo March 30, 2019

Dirty Gustav

When you try to deflower your girl but can't stick it in 'cause she's to dry.

Hey bro , tried to finally fuck her. We only got to pull the dirty gustav.

Dirty Gustav by AleynaP July 5, 2021