A girl that you don't want to waste a friday or a saturday on but you still want to hook up with them, so you save them for sunday.
guy1: hey what are you doing out I thought you had plans with Amy
guy2: nahh, she's a sunday girl. I'm not gonna waste a firday night on her
guy2: nahh, she's a sunday girl. I'm not gonna waste a firday night on her
by ilove Dick May 2, 2010

by CHARLIE WILSON PHD. MD.TK. October 27, 2003

"Corsair fighter looses its load of rocket projectiles on a run against a Jap stronghold on Okinawa. In the lower background is the smoke of battle as Marine units move in to follow up with a Sunday punch." Lt. David D. Duncan, ca. June 1945. 127-GR-97-126420.
by Metro September 29, 2007

The fuzzy logic that dominates your thought process on a Sunday, usually the result of a long Saturday night.
Rob: Yo Liam, why did you order chicken fried steak from the 5-point. Bad order man. What were you thinking?
Liam: I dunno. Sunday Brain I guess.
Liam: I dunno. Sunday Brain I guess.
by Comeonfeelthe August 22, 2008

The Sunday Clutch is an incredible feat where in one realizes all the shit thats due on Monday and gets his shit together, Sunday Clutch hours are usually from 7 pm - 4am. Side effects are mostly insomnia and lack of energy
John: Fuck dude did you sumbit the requirements?
Terry: Yeah John, I pulled a Sunday Clutch and I still have no sleep.
Person 3: That's amazing you need a fucking medal.
Terry: Yeah John, I pulled a Sunday Clutch and I still have no sleep.
Person 3: That's amazing you need a fucking medal.
by phantomrdx June 19, 2016

I like to chill with John, but he's a Sunday Smoker.
Always smoking up my shit and never bringing his own.
Always smoking up my shit and never bringing his own.
by KeefKing13 July 12, 2019

Adj. - An object, activity, person, place, or idea that reminds one of the feeling gotten come Sunday morning, when the realization that the next day will bring hell AND high water (i.e., work, school, obligations, sobriety) sets in.
(Reminiscent of a wet, reeking dog lying on your clean clothes/bed/couch/person in the dead heat of a Mississippi summer day, happily permeating all surroundings in its stench and spittiness.)
(Reminiscent of a wet, reeking dog lying on your clean clothes/bed/couch/person in the dead heat of a Mississippi summer day, happily permeating all surroundings in its stench and spittiness.)
"Dude, that essay is Sunday Thing, to the max."
"So you've got testicular cancer, eh? Sunday Thing, man. Sunday Thing."
"That bitch had the most rotten knot I've ever smashed! It was some kind of Sunday Thing, for serious."
"So you've got testicular cancer, eh? Sunday Thing, man. Sunday Thing."
"That bitch had the most rotten knot I've ever smashed! It was some kind of Sunday Thing, for serious."
by Bolognaise August 13, 2008
