originated within the past 3 years by renegade hackers in the south-west of europe, the word when first used was writtin by mistake by a computer programer in the game splinter cell, in one of the missions. the programmer was ment to put "Hello sam fisher" not "Eloo same fisher" now this is a commonly used word in internet chat rooms.
1337 man 7331: eloo D O G G
manic uber n00b: wad up homz
by eric park December 21, 2004

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Top Definition
An Argentine onomatopeia created by a famous and well-known announcer named Fabian Cerfolio. The term is very popular in Argentina specially on a tv show called Duro de Domar (Roberto Pettinato) where it's used to emphazise something amazing and surprising. we could translate this expression this way: "what a madness"
Note: you can use it either with one (elO) or two "oo" (elOO)
eg; Que linda mujer eloo! What a beautiful lady eloo!
by Jhon Mitney May 28, 2006

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short for hello,first used in chat rooms by an uber n00b
spaz no.1: eloo
spaz no.1: eloo to you to
by eric park December 21, 2004

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt