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His researches extended to almost every branch of physical science, but his most important work was of an optical character.
Optical by Fireshodow March 28, 2016
Urban Dictionary Merch

optical intelligence

Some bullshit Elon Musk made up to justify his crappy driver-assistance system.
"Did you see Elon's tweet that used 'optical intelligence' in order to sound pseudo-smart? LMAO."

optical inch

The extra inch of length a shaved penis appears to have over an unshaved one.
The optical inch my shaved cock has makes it look bigger.
optical inch by jer_ May 14, 2006

optical nutrition 

looking at facebook pictures of pretty girls.
I had optical nutrition on Maria's profile.
optical nutrition by werls July 12, 2011

Optical Iboobsion 

When you see a bitty on a semi-consistent basis and you don't think her rack is up to snuff then BAM! bikini pics upload to the fb and you realize she has some cannons.
Friend 1: Her boobs are not that nice.
Friend 2: They are too. It is an optical iboobsion
Optical Iboobsion by grizz69 May 8, 2012

optical delusion 

When you see things as you want them to be, not as they really are.
That fox is really staring at me, she wants me to know that she wants me. Dude you're under an optical delusion, that's a glare not a stare, and if you go over there, she'll slap you blind.
optical delusion by knowman September 14, 2012

Optical Penetration 

When a girl has a fake eye, you remove said eye and insert penis into socket.
I performed optical penetration on Mike's girlfriend last night.
More from Urban Dictionary

You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
Word of the Day on September 25, 2026
Adjective. Used to describe persons who have adjusted or altered their lifestyle for environmental reasons. Crunchy persons tend to be politically strongly left-leaning and may be additionally but not exclusively categorized as vegetarians, vegans, eco-tarians, conservationists, environmentalists, neo-hippies, tree huggers, nature enthusiasts, etc.

Also used to describe establishments where alternative foods and products are sold, i.e. natural food stores.

Modified derivative of granola.
"I need more crunchy guys in my life. I'm so tired of dating preppy metrosexual assholes."

"I'm heading out to the crunchy store to pick up some fair trade chocolate and tea tree oil, do you need anything?"
crunchy by EBC July 11, 2007
Word of the Day on September 24, 2026
A group of people, typically women, searching through someone’s digital footprint in order to find more information about that person.
Susie wasn’t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026

murderhobo 

In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.

The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
Whale by FQ_GFY February 3, 2020
Word of the Day on September 21, 2026

Concrete cowboy 

A guy who thinks he's a country kinda guy, but in reality lives a comfortable city / suburban life.
Eugene: Look at that dude in the cowboy hat!
Todd: He's just a concrete cowboy.
Word of the Day on September 20, 2026
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