Phrase you can blurt out when something good happens to you. In meaning combines "thank you," "how nice of you," "I really appreciate it," and "awesome" all into one expression. Meant to make the other party feel that something they did was well received.
Scene: Aaron is sitting on the couch watching TV and Wendy brings him the remote and a bowl of ice cream.
Aaron blurts out: "best day ever!"
23π 6π
The Best Day Ever is both the greatest yet most annoying song ever made by Tom Kenny, Spongebob Squarepants voice actor.
The ear-raping tune was made for the Spongebob Squarepants movie (The first one). It was also used in a episode with the annoying little yellow asshole singing the song while riding a huge Krabby Patty.
Person 1: What song so you wanna hear?
Person 2: The Best Day Ever by Spongebob Squarepants.
Person 1: Da faq you say bitch?
13π 2π
The day that never seems to exist but only as a mere figment of your imagination.
Child: Today is going to be the best day ever!
Also Child The Next Day: Today is going to be the best day ever!
The best day ever known to man is February 11th!! If you were born on this day your are everything great!
Bob: Omg this is the best day ever!!
Joe: thatβs because your with me and Iβm born on February 11th
Every Tuesday it is officially βNARS IS THE BEST BOYFRIEND EVER β day.
Me: do you know what day it is?
NARS: itβs Tuesday.
Me: no itβs NARS IS THE BEST BOYFRIEND EVER day. QUE THE FIREWORKS!!!