1. An over the counter antihistimine that works great if you need to stop an allergic reaction or fall asleep.
2. The world's least addictive recreational drug. There's nothing fun about getting high on Benadryl. In fact, it's horrible. You have terrifying hallucinations that are impossible to distinguish from reality. Gum is more addictive than that shit.
1. That Benadryl stopped my sneezing but damn am I sleepy now.
2. One time I ate 16 Benadryl for "fun." My ceiling had two fans on it and a wrought iron fence was sticking out of my wall. I heard footsteps on the ceiling, people banging on my window, and upon seeing a giant, oozing bug on my comforter, I spent the duration of the night whimpering underneath my covers.
by 720mgSTEEEVE December 1, 2009
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1.) When used for its intended purpose, it is very useful for the treatment of allergies.

2.) When used at doses 4 or more times the recommended dose, it is a hallucinogenic deliriant. If you manage to fight off the extreme drowsiness and stay awake, it could hardly be considered an escape from reality, as the hallucinations experienced usually very closely resemble reality. For example, you'll quite likely see one of your family members and upon trying to interact with them, they'll disappear. This is more freightening than it may sound, as some of these encounters may be not-so-friendly, such as thinking you're getting busted by your parents for attempting to bake a cake in your dresser drawer. It is damn near impossible to differenciate between hallucinations and reality. Also, you'll more than freak out anyone around you who doesn't know you've taken something. There's a 99.9% percent chance that you'll respond to questions you were never asked or try to make comments on events you thought you saw, only to scare the piss out of them. Hardly worth it.
Oh shit, I wonder how much damage I caused on that benadryl trip last night.
by phxwhiteboy88 April 30, 2011
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if you want to get really fucked up fast.
you won't remember anything so its not that fun.
talk to people that arent there.
hear things that aren't there.
accidentally put plastic teapots on a stove.
take around 36 pills.
edge: hey man i heard you took benadryl and almost burned down your house
me: oh? did I? i cant remember.
by stooooner December 27, 2005
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An OTC antihistamine medicine which can be used as a recreational drug. When taken at the recreatinal dose, the person will hallucinate but will not know what is real and not, i.e. they will talk to a person that is not really there or try to interact with things that are not really there. After the person has come down, they will usually will not remember what happened alot like a dream.
Benadryl is a legal, OTC, lame drug.
by shadow77110 June 20, 2006
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a drug you can find in your medicine cabinet and get really fucking high off, don't overdo it or words will sound like gibberish, you will hallucinate the shadow people crawling and coming after you, think the shadows are talking to you, and if you see actual people they'll know your fucked up. you can also get addicted to it and it's not fun.
someone: "hey you good?"

eric: "dude no, i just had a shit ton of benadryl and I'm seeing things"
by arsonisdead February 9, 2022
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(pronounced: ben - a - drilled)

hazy, sedated feeling that may or may not be caused by taking medication (like benadryl)
I can't believe I tried to talk my way out of the ticket for running a red light. I told the cop that I couldn't help it, I was benadryled.
by gmoney63 November 1, 2007
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Taking so much Benadryl that you end up spacing out mid-sentence.
Warren was really benadrylled by about ten o' clock that he couldn't even move.
by dunnomanlol December 4, 2010
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