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!
by s0ull3ss November 13, 2014
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a sweet girl, who’s shy of herself and has lots of anxiety. she always puts others before herself. she care so much about each and every one of her friends. she has a pure heart of gold, and is willing to love anyone and everyone. if u get the chance to date her, keep her. she will love and care and spoil u beyond ends meet. tiers every word she says
“omg Sunday brought me chocolate

“she’s really just the sweetest
by school sux 300 May 30, 2019
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A nickname; someone who you can relax with.
Usually referring to the dessert Sundae or day of the week; a period of time with a person known to be happy and very relaxed- a Sunday.
1.He's my Sunday.
2. That was so Sunday.
by CupCakeluvsSunday December 29, 2010
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A sacred seventh day of the week dedicated to everything holy, namely sleep. Not to be confused with "sundae" (also holy) which are recommended for this divine day.
(whining under the covers) Come. On. it's Sunday - Justify that bed head.
by Koreanboy August 31, 2014
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A day to recover from your weekend, get your homework done, clean the house up a bit, and play some video games.
Bro, it's Sunday. I'm not going anywhere today.
by bumday September 25, 2011
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'Gone south.' 'Lost it.' 'Non compos mentis.'

This term reflects the fact (for some) that
functioning (in whatever capacity) can be
severely limited on this day because of
its historic role as a down-easy day.

The term is not restricted to Sundays. It is
a cognate of the verb 'to sunday', meaning
'to underdo', 'to function at a low level'.
Man, did you catch DeeCee's slack getback.
He really sundayed it. Wait until tomorrow.

by Ward Smith March 1, 2009
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