MashyGG Share definition Flag When you mash your balls on a girl's face then say GG's and leave the room. Yo brah, last night I totally MashyGG'd this random girl I met at the bar MashyGG by Boomer1990 June 9, 2023 0 0 Get merch Get the MashyGG mug. Buy Now — $32.95 See more merch