A dog, most likely outside, an old hound and probably crying too
I was in the kitchen, Seamus (that's the dog) was outside.
by Stratosphericc July 30, 2019
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The best guy you will ever meet. Honest, Caring, Understanding. Hella heart eyes for this dude and I hope he stays in my life forever. I love him with my whole heart
Person 1 - hey would you ever go out with seamus?

Person 2- fuck yea
by Fudgebubblemonkey765 March 11, 2019
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The hottest guy you will ever meet! He's smart and funny! They tend to be great at sports!
"Hey, did you see Seamus and the game yesterday?"

"Yes! He looked so hot!"
by fortnitelife February 5, 2018
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American slang for a private detective or an Irish cop. Commonly misspelled as "Shamus." Taken from Seamus, a popular first name among Irishmen. The slang meaning of the name is believed to have originated in the early 20th century.
"I'm a brother Seamus!"
by OsirusR July 15, 2009
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Seamus is a wonderful outgoing guy who is willing to make anyone and everyone happy. He has the most beautiful blue eyes you will ever see, and is a wonderful person. He may not see it but others really do. He is also really funny so you can always count on him to make you laugh, he doesn’t realize it but a lot of people really care about him. If you come across a Seamus in your life consider yourself lucky not many people you come across are as genuine, nice, handsome, and selfless then a Seamus! If you meet a Seamus, never let him go!
Hey did you meet that guy Seamus?

Yes! He is the best person I have ever met!
by Heavvvvennn April 4, 2019
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The sailor that appears periodically on the show "Family Guy"
Seamus appears at the oddest times during the show.
by Brewski. August 4, 2009
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Just hot and a funny person who will get all the ladies (or men depending)
WOW HE IS HOT AF HE MUST BE NAMED SEAMUS
by Marshmello Is Cool November 15, 2016
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