Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.
An idea or insight a person has when they are high. For the duration of being high, it is a truly profound, original, and useful idea, but turns out the next day to make no sense, or be of any use whatsover.
Jimbo had an highdea last night that he was sure would make him a multi-millionalre. The next morning, however, he realized that no one would be interested in purchasing live ducks to wear as headwear.
highdea by circushead June 23, 2006
noun: an idea one composes while high.
urban dictionary is the perfect place to post highdea's.
highdea by the storm drains October 12, 2009
An idea you get while high
"damn man, I wish that when you dropped your bong, it would just break into several smaller bongs. Someone should invent that."
"If i had a sandwich for every one of your highdeas, I would have entirely too many sandwiches."
Highdea by sahc August 25, 2009
an idea that comes to you when you're high.

at the time, this idea seems like it has dawned upon you by some divine intervention of the gods. it can either be a bad idea or a good idea, but you think it's the greatest thing that has ever happened.
I had a highdea last night to get in the hottub, it was the greatest thing ever; I felt like a blow up doll floating in the water.
highdea by amazzingamber December 19, 2009
idea that come to you when you are high
i got a good highdea
highdea by deadflowers November 10, 2019
A fantastic idea one would have while under the effect of marijuana.
Dude, I just had an awesome highdea. Lets listen to Pink Floyds Dark side of the moon while watching Wizard of Oz.
Highdea by VISRE March 10, 2018
More from Urban Dictionary

piddlefart

verb. To waste time doing nothing.
Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
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
Load more