A failed or bad joke so unfunny that the situation becomes humorous. Developed from the idea that some people make forty bad jokes for every one good joke they make per day.
"Nah, bro, that joke was so bad; it has to be one of your forty bad jokes"

*Insert Bad Joke*
"Nah, bro, that was one of your 40."

*Insert Bad Joke*
"That was a 40 right there."

*Insert Exceptionally Bad Joke*
"That was like 7 of your 40, bro."
by p laurent August 26, 2022
Get the forty mug.
Four Forty A/C is air conditioning that comes having four windows down at 40 miles per hour.
Him: Bro its hot in here..
Me: Start rolling down windows - i've got four forty A/C
by Siouxsie Supertramp August 3, 2021
Get the Four Forty A/C mug.
To be cheated, duped, conned, lied to, fooled, deceived, tricked, hoodwinked, hornswoggled & or swindled.
My phone FORTY-FIVED me by telling me it's 102 out & it's actually 112
by StormeeWeather August 3, 2020
Get the FORTY-FIVED mug.
A statement made that is verifiably false; Utter bullshit; untrue
“While she believed the YouTube report to be factual, it turned out to be total forty-five.”
by OTTRoughRiders March 19, 2021
Get the Forty-five mug.
A dumb way of censoring 420, especially in a public environment. Can also be a replacement for the word weed. Just based off of the hand sides for 4, 2, and 0.
He looks like he got some forty-two okay...
by ImNotAFurryISwear April 11, 2020
Get the forty-two okay mug.
If a thread or conversation of any kind last long enough, it will always evolve into a thread about 45th President Donald Trump and things related to him
An example of "The Forty-Fifth law" is a thread on /an/ talking about which dog is the cutest, if given enough time the thread will be filled with people arguing about election fraud, calling each other racial slurs and accusations of having the inability of transitioning into a woman
by The Letter X February 4, 2021
Get the The Forty-Fifth Law mug.
Slang name for 42nd Street and Times square area in New York City.
Yo we sliding down to forty duwop to see some bruce lee flicks, you down?
by Wamwam61 August 9, 2021
Get the forty duwop mug.