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1.is used refer to any member of a large family of catfish native to Central and South America that posess sucker shaped mouths that are often introduced to aquariums to eat algae.

2. used to refer to a very low, scummy individual, a "bottom feeder".
1.I had a pleco in my 10G tank, but he outgrew it.

2. that guy is a total pleco, he asked my married sister to do it with him.
pleco by fishcatch22 March 3, 2007
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Fish that eats scum from the bottom of the tank
Do one you pleco!
Pleco by Victoria March 22, 2004
Related Words
a bottom feeder.

one who attaches themselves to other peoples environment as to be a part of it, or "in the know".
This was a pretty hot spot until this pleco started coming around.
pleco by CT January 29, 2004
noun, verb.

a dictionary app for people learning Chinese.
- I don't know what does that character mean.
- Pleco it!
pleco by syytetty July 6, 2020

Pleiocetenesous 

"What classification of animals are dinosaurs?"
"Oh i know that.. yep.. um.. thats *clears throat*.. um.. the Plis-tuh-sis-reens."
"What was that?!"
"Pluh.. Plih.. P-l-e-i-o-c-e-t-e-n-e-s-o-u-s. Pleiocetenesous."
Peco means great, cool, nice, ect. Also a type of exhaust for vehicles. Harry says it will catch on...
"Those Greg cakes were peco"
"I had such a peco night last night"

pleonasm 

A pleonasm is a redundant description. It is describing a word using adjectives that apply to it's inherent characteristics.
Person 1: Tim is a stupid idiot.

Person 2: As opposed to a smart idiot? You just used a pleonasm.
pleonasm by PatrickRF February 7, 2008
More from Urban Dictionary
Basically the same meaning as ate.
x:"Girl your fit chewed today!"
Chewed by iod1o March 30, 2022
Word of the Day on October 19, 2026

Blue Movie 

A pornographic film.

The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.
I found your stash of blue movies under your bed.
Blue Movie by Shayde79 January 20, 2011
Word of the Day on October 18, 2026

fache-couture 

French slang, which translated, means "bull's fashion" but basically equates to "hyper trendy" or overly trendy. Used when a person wishes to express distaste at the latest fashion trend/fad, because it seems that everyone has a certain item of clothing or is wearing it. This term is most frequently heard in Paris but is slowly spreading to other parts of France.
1. That Burberry scarf is so fache-couture.
2. That purple American Apparel hoodie is so fache-couture.
fache-couture by bkgmh46x0x March 18, 2008
Word of the Day on October 17, 2026
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