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gillyweed

Swimming while high on marijauna.

Originally a fictional plant from Harry Potter and the Goblet of Fire, gillyweed is commonly used as a placeholder for cannabis in Harry Potter fanfiction.
Girl, I got so stoned last night at the beach, I decided to gillyweed. Water felt amazing but I had major dry mouth after from sweating.
by Herazade March 13, 2019
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Gillyweed

A cannibalistic fish who eats anything and everything (even other fish) to have a big home all to herself.

Eeek!
There were several fish in the fish tank living with Gillyweed. Then all of a sudden there was one less fish. And then another disappeared. And finally, the last fish living with Gillyweed was found severed in two; head and tail were found floating at the top of the tank. And Gillyweed just got bigger and bigger.

Don't be a Gillyweed! Cannibalism is BAD!!!!
by The Beluga Whale November 5, 2009
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Related Words

Gillyweed

1. One that is homosexual in nature but may not be.

2. To be acting like a Gillyweed is to do stupid or uncalled-for things.

3. Gillan's nickname when he's high and silly.
1. That kid just wrote a poem, what a Gillyweed.

2. What are you doing shoplifting from the Dollar Store? You actin' like a lil' Gillyweed!

3. Gillyweeeeeeeed!
by Mike Steinhoff February 25, 2008
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willyweed

A self proclaimed pothead and a glorious failure.

This type of person will never hesitate to tell you how much pot he is going to smoke when he gets home, but not before he shits his diaper and parks his car in your living room.
Wow you fucked up again willyweed.
by TheHero October 4, 2006
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gillywidget

Them:You’re bad
You: Gillywidget
by Candace’sCounterpiece December 2, 2020
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girlweed

A nickname for someone who is silly, stupid, and freaky!!
jess: whatcha doing?
brittney: just trying to make you laugh, but i could do some nasty things to you😏
jess: your such a girlweed
by badkarma69 January 5, 2025
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