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15.
LSD was first synthesized in 1938 by Swiss chemist Dr. Albert Hofmann at the Sandoz Laboratories in Basel, Switzerland, as part of a large research program searching for medically useful ergot alkaloid derivatives. Its psychedelic properties were unknown until 5 years later, when Hofmann, acting on what he has called a "peculiar presentiment," returned to work on the chemical. He attributed the discovery of the compound's psychoactive effects to the accidental absorption of a tiny amount through his skin on April 16, which led to him testing a larger amount on himself for psychoactivity.

sadly the acid that is taken today compaired to 20 years ago is a basterdised version with more effects to physical sensation and a reduction in auditory and visual stimulation. it is said to be a hallucinogen but in it has been proven scientificaly that it actualy causes a temporay break down in a mental berior wich causes you to notice signals that you would normaly not notice it also sticks a door stop in the door to your subconcious wich allows your emagination to run wild there by the hullucination is based on an actual event taking place.
guy1 "dude i took a bad hit of acid last night and i had no clue what was going on."

guy2 "you meen you took real acid last night not that stupid wuss bag shit u normaly took and had the best trip of your life u fuckin tard."
by luke neville November 17, 2006
77 50
 
16.
slang for LSD, an extremly powerful drug, that makes you see some crazy shit...depending on the enviorment a good trip could be the best thing ever or a bad trip could put you in the booby hatch
Well I been trippin' for 10 hours on 3 hits of liquid microdot (I'm on acid - acid)
Gettin' chased around the car by some midgets in the parking lot (I'm on acid - acid)
Feedin' doritos to a tree, a million spiders after me (I'm on acid - acid)
I'm runnin' around havin' a fit, on myself I'm about ta shit (I'm on acid - acid)
by jizzle dizzle November 05, 2006
40 18
 
17.
A substance often found on sugar cubes or tiny pieces of paper. Less commonly found on sour patch kids, or starburst. When taken orally, effects are generally produced within 60 minutes and can last up to 14 hours. A wonderful experience, but fucking brutal on the body and mind for days afterwords. If dosing hard, expect after effects for up to 7 days, and expect your back and neck to feel like fucking shit for a while also. A serious drug not to be taken lightheartedly. Acid will take you deep to the core of it. yeah. Don't listen to the fucking hippies who are like "dude i like tripped out so hard and watched this building breathe dude, I love acid" those people don't even know what the fuck they are doing to themselves. Its more like "wow I am so lucky to even be drinking this fucking glass of water, acid made me realize how small and insignificant I am to the cosmos, but yet made me appreciate love and life so much more, I'm going to call my mom and tell her I love her right now...' Can be a painful, awkward, and brutal experience, Usually tho it is worth it.
Lily took acid yesterday for the first time and realized that her entire conception of herself was a bunch of bullshit, and that she was a mean girl, and had her world fucking shattered, but it was a ton of fun in the process and now she is a better person for it.
by acidtripper November 20, 2011
19 4
 
18.
makes u see the world better
a man on acid sees the word better
by mikes man May 17, 2007
59 45
 
19.
A substance which has a high concentration of positively-charged hydrogen ions.
Vinegar is a weak acid.
by Polychromophilia December 09, 2004
74 61
 
20.
a drug which jesus gave away for free, the church wanted a monopoly on the drugs so they killed him.
acid is good to take before lectures.
I had to put my friend in hospital on a bad trip.
by james kirk March 16, 2006
96 85
 
21.
a hell of a drug
John: Acid is a hell of a drug.
Jack: ye.
by mfbails January 29, 2010
14 10