Someone that is fat and basic. Can only be a Sunday Dinner if the person is getting yelled at by someone else.
"Yeah that Dustyn guy is a real Sunday Dinner."
"Dude, calm down. He won't be a Sunday Dinner tomorrow, you're just angry."
"Dude, calm down. He won't be a Sunday Dinner tomorrow, you're just angry."
by Ophidian June 07, 2016