also Argentinian. Guillermos are mysterious and serious, but there's a great sense of humor hidden under those hot latin looks. Can be a little bit of a slacker, but don't let the procrastination fool you, Guillermos are highly intelligent. Also have a sweet and genuine and lovable side- theres not many who can say they don't like a Guillermo. Generally not badass.
"Che, Guillermo. Que tal?"
"Tal tal. Y vos?"
by Lujia August 15, 2007
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The most hot of all boys but always whit a hot girlfriend
Girl 1:Look a guillermo boy is lookin at me!
Girl 2:Your so lucky!
by Ranndy January 9, 2008
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person 1: Why do they call you William? i thought your name was Guillermo?

person 2: my name is william, but in spanish. just like how the name john in spanish is juan.

person 1: oh okay.
by guilliam February 17, 2010
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a tan Mexican guy with a huge cock and knows how to use it. He’s always horny and is known to fuck men on the weekends
Guillermo big cock
by wildwild4 April 22, 2022
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Funniest mexican guy on TV!
Jimmy Kimmel Parking Lot Security
So cute! He's like a teddy bear! has interview mega stars and done funny skits with the likes of matt damon and edward norton!

"Matt Damion Matt Damion!!!"
lmao how guillermo says matt damon

"ju wanna a shot of tequila"
-guillermo said that to a mess of people at the emmys!
he took shots 21 celebs!

guillermo for the win!!!!
by california_dreamin February 9, 2009
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A Mexican name
sometimes Ecuadorian or Honduran.
"Hola chamita mi nombre es Guillermo!"
by MisterCity April 27, 2006
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Guillermo is someone who Is a protector. He puts others before himself. He is a kind individual who likes adventures and seeks the meaning of life. He is mysterious, charming, handsome, playful, romantic, and many other great traits. But he does have flaws like anyone else. He hates losing which could get the better of him. Sometimes blunt, and a little too arrogant. Hates being wrong. But all in all a great person. If you ever come upon a Guillermo he will change he your life for the better. Don’t take him for granted because he might be the greatest person you will ever come in contact with.
Guillermo is my ex lover who I wish I still had. He lit a fire in me that no else has been able to do. I am forever changed and no one can even come close.

Love ,

Daisy Cornell
by Unthinkable March 27, 2021
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