A friend you only meet up with at a certain place, or for a certain reason. Sometimes used as a code word for a FWB
Joshua: I'll be seeing my Sunday Friend tomorrow night after work.
Adrian: But tomorrow is a Wednesday?
Joshua: Yeah, that's the only night we both have off.
Adrian: Oh.
Adrian: But tomorrow is a Wednesday?
Joshua: Yeah, that's the only night we both have off.
Adrian: Oh.
by WilCoMex December 28, 2020

Easter Sunday. Christ came back from the dead on a Sunday. Zombies come back from the dead. Ergo, Zombie Sunday.
"Hey, what are you doing for Zombie Sunday?"
"My family is dragging me to church, but after that it's a six pack of Spaten and some George Romero movies."
"My family is dragging me to church, but after that it's a six pack of Spaten and some George Romero movies."
by nephlim January 11, 2009

by Dwight You Ignorant Slut October 1, 2020

by Matthew Larkin February 18, 2009

When you dont go to church Sunday and sleep till noon. Then Sunday night you can't fall asleep till 2-3:30 and arrive to school on Monday morning tired and looking like crap.
Boy 1: Woah, you look...tired
Girl 1: I know thats the nice way of saying you look like crap!
Boy 1: What happened?
Girl 1: I have Sunday Syndrome..
Boy 1: What??
Girl 1: I stayed up all of Saturday night at a party, so Sunday I didn't go with my family to church and slept till noon. I fell asleep at 3:00AM this morning and woke up at 5:30AM!
Boy 1: Ouch
Girl 1:Zzz zzz zzz
Girl 1: I know thats the nice way of saying you look like crap!
Boy 1: What happened?
Girl 1: I have Sunday Syndrome..
Boy 1: What??
Girl 1: I stayed up all of Saturday night at a party, so Sunday I didn't go with my family to church and slept till noon. I fell asleep at 3:00AM this morning and woke up at 5:30AM!
Boy 1: Ouch
Girl 1:Zzz zzz zzz
by KonGluey January 17, 2011

When you have a pool party and a girl wears her dirty maxi-pad while in the pool. Allows it to get completely soggy, then continues to wear it the rest of the day and sleeps in it at night for the slumber party.
Man, it was Sunday Bloody Sunday when Lizabeth wore her dirty wet soggy pad in April's pool then went to sleep in her sleeping bag.
by Soda Pop2 October 16, 2008

When you finally see that one person that you have been waiting to see for a whole week, it's your Sunday Candy
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Also a Chance The Rapper song
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Also a Chance The Rapper song
Ryan- I'm so happy I get to see you Bri, its been a week.
Bri- lol am I your "Sunday Candy"
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"... I've been waiting for you for the whole week, I've been praying for you, your my Sunday candy"
Bri- lol am I your "Sunday Candy"
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"... I've been waiting for you for the whole week, I've been praying for you, your my Sunday candy"
by bdogandrydog January 20, 2016
