1 definition by IhateFatboys
Fat Day is a day where all fat people mainly named Marco, come together and celebrate their weight gain
Marco:Alex it's fat day November 2 me and my friends can meet and eat I can't wait! *JUMPS* Titties Bounce. Alex: I'm not fat like you Marco go eat a glizzy somewhere else for fat day
by IhateFatboys October 26, 2020