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For a male penis to go from a state of softness or relaxation to a state of an uncontrollable erection in the penis.
Mainly caused by a beautiful or attractive female when seen or spotted with the eyes.

A combination of the words: Instantly (Without Delay or Immediately) and Hard (Not easily penetrated).
"Man, I just got instahard when she walked in"

"Lola Luv = Instahard"
Instahard by Vinni-V February 16, 2010
Related Words

Instafart 

A powerful fart, immediately filling the room with a terrible smell.
We were riding in the car and my wife let out an Instafart making it hard to keep my eyes from watering.
Instafart by Willybeee August 16, 2014

Instabam 

Slang for jacking off to someone’s image and comments on Instagram.
Since “pandemic life” has so radically changed our social lives, his favorite online activity is now the Instabam!
Instabam by Dr Bunnygirl September 5, 2020

Instacart 

A grocery delivery service where some stranger drives to your house with the groceries you order on it.
I need some stuff but I have to take care of my grandma for the day. I'll just Instacart it.
Instacart by legal4s April 14, 2021

InstaBeef 

Beef or some form of aggression/hate, between 2 people, formed from an argument or insulting comment on Instagram or any other social media.
I can't believe she made that comment! Now we got #InstaBeef!
InstaBeef by MentallyEvolved September 9, 2018
-verb
A compound word from "instant" and "ban"; to be banned instantly, as from an online game or web forum.

-adjective
A behavior for which there is zero tolerance, which will likely result in an instant ban.
As verb: You'll get an instaban for that if you're not careful.

As adjective: Posting child porn is an instaban.
Instaban by Termy August 3, 2007
More from Urban Dictionary

pod person 

A person pretending to be something they aren't, or an impostor. This is inferred because of the old alien movies where alien pods appear on earth and the "pod people" dispose of the humans and slowly reproduce the bodies, pretending to be humans.
The pod person was pretending to be my father, but I knew that he was an alien when he acted differently than my father ever would have.
pod person by Christopher M. May 9, 2005
Word of the Day on November 10, 2026
A dead drop is a location used to secretly pass items between two people, without requiring them to meet.

Spies have been known to use dead drops, using various techniques to hide the items and to signal that the drop has been made. Drug dealers use this as well.

A common place is to duct tape the item to the underside of a toilet cover in a public restroom.

A signal is sometimes used as well to indicate there is something to pickup, like a pile of stones in a certain formation. After checking the drop the signal is removed.
"The dead drop is the restroom toilet at the Gulf station at the corner of Commercial Ave. and Georges Rd."
dead drop by rubberroom July 23, 2008
Word of the Day on November 9, 2026

No Surprises Wedding

A "No Surprises Wedding," or NSW, is a wedding invitation designation that tells attendees that there can be no unplanned announcements, engagements, events or speeches at the wedding - all actions must be pre-approved by the couple. Anyone who performs an unapproved "surprise" will be asked to leave the wedding early.

This designation comes from Reddit, where so many stories of bad wedding behavior indicated a need to communicate expectations for the wedding behavior of attendees.
You are cordially invited to the nuptials of Brian and Tom on October 31 at noon.

Please note that this wedding is child-free (under 10) and a No Surprises Wedding (NSW). Reach out to wedding planner Sami Smith to request approvals or exceptions; please note that exceptions will be rare. Limited child care for under-10s will be available. All approvals will be noted and included in planning. Unapproved, or surprise exceptions, will result in guests being asked to leave.
Word of the Day on November 8, 2026
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"
ulzzang by `r i k kit t y February 26, 2008
Word of the Day on November 7, 2026
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).
Person A: "That scene was a direct homage to an unreleased 1982 Japanese indie film."
Person B: "Wow, EBK."
EBK by silwhett November 5, 2026
Word of the Day on November 6, 2026
A seemingly endless debate with a idiot
I don't know man im not ready for yap trap stupidity today which always tries to suck you into it
Yap Trap by WolfieSnack November 4, 2026
Word of the Day on November 5, 2026
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