The one day of the week people remember they believe in God, or pretend they do just in case. Usually involves quickly getting dressed and speeding to church, only to sit there and hope you don't miss kick-off.
Person 1: Hey man, wanna go beat up homeless people tomorrow?
Person 2: No man, it's sunday! I don't wanna wind up in hell.
Person 2: No man, it's sunday! I don't wanna wind up in hell.
by James'Taint December 30, 2011

The day where you decide that living in heaven with God is less important than sitting on your fat ass playing video games and watching Netflix by yourself.
by FRICKO MODE March 13, 2020

The day after Saturday night, that usually is known as "Hangover day". People never show up to work, miss out on important events by laying in bed tortured of sickness, gagging at the sight of alcohol, and remembered they screwed they're bestfriends girlfriend the night before.
by Jillzgotzbillz October 16, 2008

by Sakky January 24, 2011

by donjuandemarcopolo July 21, 2008

Usually in the form of "that's on Sundays," refers to a suggested activity which is rebuffed, as with movies which seem to play every Sunday on television.
Polio: "Why don't we rent Falling Down?"
Edwardo: "Nah, man...that's on Sundays"
Polio: "Why don't we go to the petting zoo?"
Edwardo: "Shiii...Sundays, motha fucka, Sundays..."
Edwardo: "Nah, man...that's on Sundays"
Polio: "Why don't we go to the petting zoo?"
Edwardo: "Shiii...Sundays, motha fucka, Sundays..."
by Aequitus August 4, 2006

A person, typically super religious, that takes offense to anything and everything not considered "good," in the eyes of the lord.
(guy) I'm so going to fuck you.
(girl) Oh my god! Jesus is listening you know!
(guy) You're such a fucking Sunday!
(girl) Oh my god! Jesus is listening you know!
(guy) You're such a fucking Sunday!
by s0ull3ss November 13, 2014
