Nominated by Underleveled
If you want to interpret it as "phat" instead, I can't stop you.
https://gamefaqs.gamespot.com/a/forum/5/592e0980.png
https://gamefaqs.gamespot.com/a/forum/8/86b33443.png
Recent top results:
Day 557:
Night
Court (23%)
Day 556: How's
it going?
(26%)
Day 555: Penta
gon
(33%)
Day 554: Son of
a Bitch
(36%)
Day 553: Kill
Bill
(48%)
Day 552: I believe
I can fly
(28%)
Day 551: Tie --
Black
Chocobo and
Gold
Chocobo (16%)
Day 550:
Costa
del
Sol
(17%)
Day 549: Tie -- Milk
Duds
and Milk
Chocolate
(18%)
Day 548: Where's
Wally/Waldo?
(74%)
Day 547:
Nothing
burger (32%)
Day 546:
Mario
Party (52%)
Day 545: Time to
Die
(30%)
Day 544:
Bald
Eagle (18%)
Day 543:
Bad
Idea (22%)
Day 542:
The Big Bang
Theory (23%)
Day 541:
Null
Hypothesis (50%)
Day 540:
Chocolate Chip
Cookies (38%)
Day 539:
Got
Milk
?
(20%)
Day 538:
We, the
People (10%)
Day 537: i
, Robot
(19%)
Day 536: Tie --
Real
ly,
Merri
ly, AND
bit.
ly (5%)
Day 535:
Star
Lord (10%)
Day 534: Tie -- Lord
Farquaad
AND Lord
of the Rings
(11%)
Day 533:
Jill
Sandwich (31%)
Day 532: Year of
Luigi
(45%)
Day 531: DUPE -- Grand
Theft Auto
(19%)
Day 530: Welcome to
the Jungle
(26%)
Day 529: Lower
Decks
(22%)
Day 528: Upper
Deck
(12%)
Day 527: Tie --
Pepperoni
Pizza AND
Cheese
Pizza (17%)
Day 526: Young
Justice
(15%)
Day 525:
A Song
of
Ice
and
Fire
(36%)
Day 524: Grand
Theft Auto
(17%)
Day 523: Line
Dance
(15%)
Day 522:
S**t
storm (17%)
Day 521: Code
Geass
(22%)
Day 520:
F**
king (21%)
Day 519:
Burger
King (28%)
Day 518: Mega
Man
(57%)
Day 517: Kilo
gram
(52%)
Day 516:
Whose
Line (10%)
Day 515: Circle
of Life
(20%)
Day 514:
Down
Low (18%)
Day 513:
N
ation (14%)
Day 512:
Rain
Code (16%)
Day 511:
Border
lands (33%)
Day 510:
Fool's
Gold (26%)
Day 509: The Great
Gatsby
(31%)
Day 508:
Alexander
the Great (72%)
Day 507:
Under the
Sea (15%)
Day 506:
Real
ize (9%)
Day 505: Begin
Again
(53%)
Day 504: Party
Hard
(16%)
Day 503: Let's Get
Dangerous
(19%)
Day 502: Extra
Life
(29%)
Day 501:
Hot
Topic (39%)
Past results:
https://board8.fandom.com/wiki/Fill_in_the_Blank_(Series%29
My response: Tuesday, followed by Albert, and then Cat
Only the exceptions can be exceptional.