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1/8 of an ounce of Marijuana.
Moron: How many grams are in 1/8 of pot?
Normal Person: 3.5 you fucking idiot.
3.5 by candice D May 16, 2005
1. Pulling a 3/5 (3/5ing) - Making a statement that you are going to do something, but never planning on actually doing it.
2. A 3/5er - This refers to a police officer or some sort of official who:
-Gets rid of all the evidence of something and then claims it never happened, despite multiple witnesses.
or
-Claims that something is only a rumor, but then takes extreme action as if it where a serious threat.
1.
Kid 1: "Tomorrow is the day, I can't take it anymore, I am going to kill myself."
Kid 2: "Nah, you're just 3/5ing"

Dude: "Hey, Jack said he was gonna kick my ass today, but he pulled a 3/5."

2.
Man: "I know you may have heard the rumor that there is a bomb in this building, but it is only a rumor, there is no evidence.
(Bomb Squad Arrives)
Other Man: "Dude he is such a 3/5er."
3/5 by Some RHS Dude March 5, 2004
The base between 3rd and 4th (when defined as hand jobs and then sex) which describes oral sex.
We didn't wanna have sex yet, but we went to 3.5 last night.
3.5 by SallyandSam December 12, 2008
A female who has reached the status to make say, "gimme 3 and half minutes,maybe 4 she'll be wanting to marry a nigga."
fine ass girl walks in a room....you yell THREE POINT FIVE....and someone responds, round that shit up.
3.5 by Capt. Nick March 4, 2003
Referencing The Three-Fifths Compromise. Which was an agreement reached during the 1787 United States Constitutional Convention. It addressed how enslaved people would be counted when determining a state's population for representation in Congress and for taxation purposes. Delegates agreed that each enslaved person would count as three-fifths of a person.
You can have a 3/5 vote, so I win.
3/5 by AvaCam September 17, 2025

3-5 Business Days 

Commonly used phrase in Hypixel and Hypixel-related communities to represent something having an undetermined amount of time, that's likely to almost never happen or take a very long time.

It is said to have originated from the "Wizard Tower" of Hypixel SkyBlock where the NPC there has been replying with the dialogue: "Hmm...something appears to be broken. Give me 3-5 business days to fix!" for the past ~2.5 years and counting.
Friend: "When is x coming out?"
Me: "3-5 Business Days"
3-5 Business Days by Melancholy Cloud September 1, 2021
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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