my dumbass Share definition Flag 1. (pronoun) Used instead of I/me to refer to yourself when you are, in fact, a {{dumbass}} my dumbass just tried to snort a line of salt like it was fucking coke my dumbass by WordInventor#20000 October 26, 2022 0 0 Get merch Get the my dumbass mug. Buy Now — $32.95 See more merch