The grade where school foes from fun to hell. Being one of two "upper grades" of elementary school along with fourth grade, teachers become more strict to their students.
by Tyler2003 September 28, 2020

A deragatory roast that usually implies you have low grades.and you need to higher them typically used by very studious people aswell
by Poor man Antoine April 29, 2019

Grade-B Jackassery is a common form of "Jackassery" on a grading-scale starting from "Grade-A Jackassery", but is specifically one level lower in intensity.
"Come on Mr. Bucknell, that form of Grade-B Jackassery is not appreciated here."
"You know I was being a Grade-A Jackass, but James you can't be following my Jackassery with Grade-B Jackassery. It's just not the same thing."
"You know I was being a Grade-A Jackass, but James you can't be following my Jackassery with Grade-B Jackassery. It's just not the same thing."
by Biggie Dawg March 24, 2023

Grade-A Jackassery is Top-Noche Jackassery to the 10th degree. Which is triple black-belt degree and immediately licenses you as a Jedi Master or a Lord Sith or both if you're kinky like that because Grade-A Jackassery can make up it's own official titles to itself at-whim.
That's Grade-A Jackassery that only a Grade-A Jackass could do.
That's Grade-A Jackassery that only a Grade-A Jackass could do.
person 1 "Man, remember that time Adrian wore a hospital gown to the mall and the cops thought he escaped from the loony bin"
person 2 "Yeah then they brought him to the loony bin! Now that was some Grade-A Jackassery"
person 2 "Yeah then they brought him to the loony bin! Now that was some Grade-A Jackassery"
by Biggie Dawg March 24, 2023

Neo from 8th grade is one of the most obnoctious people on earth and if anyone says otherwise an alternate universe is created moments before and the words were never said.
by Dennis from ... grade June 4, 2020

An Uncommon Air Force Slang for "really fucking bad weather" thunderstorms,high winds or 0 visibility in the sky for miles used as a joke to new pilots who haven't only experienced calm to lighty moderate weather and not the full force of mother nature but rarely said as it was a injoke for a long time.
New Pilot: goddamn that was some mean turbulence dude
Experienced Pilot : man this aint shit you should have seen me and my last Wingman in "Company Grade Weather"
Experienced Pilot : man this aint shit you should have seen me and my last Wingman in "Company Grade Weather"
by Tombstone IBBY October 23, 2023

The grade 9 gyatt is an urban legend found in rare locations. If you locate this mythical phenomenon please contact your local doctor as you will be controlled by the temptation of the grade 9 gyatt. Proceed with caution as one sighting can cause temporary blindness, and drooling.
by Gyattsearcher September 17, 2023
