A person whose immense body mass dictates they have their own post code(zip code)
I was down at the beach one day and this giga shamu came along and blocked out the sun
by The Hairy One November 23, 2004
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When you stick your fingers in your partner's asshole and wiggle them until they're coated in shit, then pull them out and shove them in your ears.
I like to end my week with a Dirty Shamus.
by OK Dilligaf June 4, 2021
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The Generic name for someone from Ireland or of Irish Origin. Probably plays Rugby/Gaelic Football/Hurling.
Person 1: Hey is that Shamus O'Shamus O'Shamus O'Leary?
Person 2: No.
by Neverak October 23, 2011
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When a Twitter/OnlyFans/Content Creator gay has been taking loads from several gays, and decides to film himself pushing them back out.
That Irish guy filmed himself shamuing the three loads he took for his OnlyFans
by Mcmikey88 July 18, 2022
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When someone's social media makes them look attractive but they're actually a fat ass
"my date shamued me. Their pictures made them look so sexy but they weren't in person"

"They are completely shamuing everyone. Those tinder photos don't show their true size"
by King_ejames June 30, 2019
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A little girl who has terrific booties, Plays among us and likes the rain. Loves pickles and dancing with millisen adams
Look its Shamus Dodd " Go touch the rain"
by Ak47_22/09/22 August 20, 2022
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Someone who is Very smart and is the strongest person in the room, he is also the best person in the world
I am Shamus than Fred
by fredrick Malrick March 9, 2021
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