When you do more than one thing for the first time in one place
Will.i.am: this was where I had my first movie and my first song so that's a lot of firstnesses
by Emmetc May 2, 2009
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Posted on porn sites like youporn.com in the comment box when someone is the first one to masturbate to a video newly posted.
FIRST! Damn I wanked to this bitch before all you other wankers!!
by mastrb8r February 14, 2008
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not second
he was there first
by reformedpug December 4, 2016
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for a male, the woman whose cunt he first fucked

for a female, the man who broke her hymen or at least, the one who first penetrated her pussy with a cock . And that's whether he 'came' up there or not, it still counts as deflowering her.
I still recall my first lay; Barb was a remarkable if relatively-inexperienced partner.

I will always remember my first cock; Jake was very gentle, even when he got into me, said Barb.
by Jake January 30, 2004
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The beginning of newnesses.
"Firstnesses is a whole new word I just made up. Next week it's going to be on Wikipedia. It means the beginning of newnesses"
- will.i.am (at the X-Men Origins Premier)
by xmenorigins May 7, 2009
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This is a result of being delayed in starting a chore, errand, task, etc because something else has to be completed first.
Rudy, I thought you were going to the store.
I am, "but first" I have to make the grocery list.

I was going to clean up the shop; however I got "but firsted" because the shop light was burned out and I had to change the bulb.
by But firsted January 17, 2007
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Phrase popularized by social media posters taking a selfie in awkward and sometimes dangerous situations.
I'm in the middle of surgery, but first... (snaps selfie)
by AMAAllTheWay January 21, 2021
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