Fitzsimmons (or fitz-simmons) is the ship name for Agent Leopold Fitz (portrayed by Iain De Caestecker) and Agent Jemma Simmons (portrayed by Elizabeth Henstridge) from the popular action/drama series Marvel's Agents of S.H.I.E.L.D. The name is commonly used in the context of the show, because Agent Fitz and Agent Simmons spend all their time together.
Skye: I ship Fitzsimmons so much!
Phil: Are you referring to the term for Leopold Fitz and Jemma Simmons being in a relationship?
Skye: Yes! I love it! I ship it!
Antoine: I don't.
by r-y-c-b-a-r-1-2-3 June 2, 2014
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When a guy ignores a "group" of friends for several months on end. Typically, because he has fallen in love with a busted broad who the group rejects.
"Elliott you fucker, you've completely pulled a Fitzsimmons on us for that fat fuck..."
by Fallopian Overload October 8, 2006
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The bestest, most beautiful, amazingly hot, disgustingly great, separated at sea couple to exist.
Fitzsimmons, Leopold James Fitz and Jemma Anne Simmons, are disgustingly in love.
by aquaticwater April 17, 2022
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Fitzsimmons is the best couple and the universe and they finally got their happy ending, the most deserved one in the history of television.
by fitzsebstan May 13, 2021
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A name that belongs to only the most beautiful girl. She'll make you smile and never ceases to look amazing. Shes hard to reason with when she has her mind set on something, and sometimes very stubborn. There is no end to her beauty or smarts, One would be nothing less then blessed to be with her.


She's also good at Zelda.
Who would be a vegetarian for Lent?
Only a "Fitzsimmons"
by ShorTemper March 28, 2009
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The cutest ship (consisting of Agent Jemma Simmons and Agent Leo Fitz) on Agents of S.H.I.E.L.D. that broke everyone after Ward dumped them into the water.
by marvelled March 1, 2015
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Fitzsimmoning is the act of two people arguing with each other in the most romantic and in-sync way possible.

The Agents of SHIELD fanbase frequently uses this phrase, for referring to the frequent bantering and adorable bickering between Leopold Fitz and Jemma Simmons, one of the cutest couples in television history
Person A and Person B are back at their regular arguing session without realizing how they are in love with each other and are obliviously flirting. Gosh, they are fitzsimmoning!
by Fanficista August 23, 2022
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