Bicycle Day

Bicycle Day is April 19, commemorating April 19, 1943, when Dr. Albert Hofmann first took LSD intentionally. Three days earlier, he had absorbed a small amount of the drug either through his fingertips or by accidentally ingesting it. On Bicycle Day, he took 250 µg of LSD intentionally and, fearing he had made himself ill, cycled home from his lab. During his bicycle ride, he experienced the effects of LSD, making this the date of the first ever acid trip. He wrote about his experiments and experience on April 22, which was later put into his book LSD: My Problem Child.
This day (for LSD users) is when they celebrate the discovery and first ever use of the drug
acid LSD trip
joe spent bicycle day at home with 250 grams of LSD, just as the amazing albert hofmann had done in 1943
by SpamWeed April 19, 2006
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Valentines day

a day to make lonley people depressed and loved people possesed
a monkey on a butt and a chicken in a moose
by ERnin_irene February 13, 2004
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judgement day

The day when Skynet, a global defense program, goes active and turns the machines against the human race. John Connor is our only hope. "There is no fate but what we make."
by We get pwned February 19, 2005
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Cake Day

The name of the day your username was born (on Reddit.com).

A great day of celebration, which typically requires a post.

Usernames celebrating their cake day will have a cake icon next to their username.
Today is my cake day, and my actual birthday is a week from now and Thanksgiving is Thursday, thus making this an awesome week. Reddit, I want to know, what was your best week ever? on Nov 22 from lawngnomeking
by Kaidra November 26, 2011
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Motherfucker's Day

The day after Mother's Day, dedicated to all motherfuckers everywhere.
I gave my next door neighbor flowers for Motherfucker's Day. I told him "you may not be a woman but you sure are a mother".
by Quaoar May 10, 2006
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kendall day

Ithaca College tradition starting in 2008 where basically every IC student goes to Kendall Street just off campus to get WASTED in the streets all day. The event's so popular, it was on I'm Schmacked in 2012. It's famously on the Saturday before finals week, sorta as a last hurrah before finals & summer. People wake up as early as 7am to pregame and usually head to Kendall around 10:30, already plastered. So many people show up that lately local police started blocking off traffic on both ends of Kendall St, stationing cops and their cars periodically along the street to "monitor" everyone. They're pretty harmless- they only take action if you're doing something stupid like peeing right in front of them or drinking out of a labelled alcohol container instead of a water bottle. People who own houses on Kendall pull out big speakers and blast music. It's not really comparable to a normal house party because it's completely outdoors on lawns and streets. You need to bring your own alcohol, since people can't hand out drinks in front of cops. Students usually head back to campus around 3:00pm for food and sleep. After a few hours, the strongest partiers rally for round two at Moonie's; but many stay back, order takeout, and smoke off their hangovers.

In summary, if a friend who goes to IC tells you to come visit for Kendall Day, march your ass over to Ithaca if you're in your right mind.
Man, Kendall Day is like the one day a year that Ithaca College is a party school. I mean, except for Cortaca, but Cortaca doesn't hold a candle to KD.
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Lean Day

Lean day, officially 2/22/22, is a day where people can only use Purple Emojis, and have to type "I LOVE LEAN 💜" at least once every hour
Someone: What day is it?

You: It's Lean Day!
by I LOVE LEANN💜 February 22, 2022
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