Informal To provide with information that is essential or newly acquired. This is the correct definition of the phrase "Fill You In".
Life's going well (getting better) and I want to fill you in on the details.
by ChrstnSl March 15, 2013
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The core of the breast. Boob Filling is really what makes breastacles plump, and filling 'volume' varies among woman, changing sizes from pea pods 32AA to meloncholy melons of 30G
"I'll just say all my boob filling went to my ass, Lauren"
by Laurenoo April 08, 2008
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1. Indeed filling a cup
2. An orgasm
1. I just filled my cup of orange juice.

2. Assassin's Creed comes out in late 2007! I just filled the cup!
by irishballa March 25, 2007
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"Everything" or All of the above. Meant to convey a full encompassing of the subject.
"How's the cream brotha? You good?"
"Doing good in the fill out, man"
by NewWorldEgo September 02, 2019
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1. When a couple trying to make a baby successfully becomes pregnant. See egg hunt
Chris: Jeanna and I have been egg hunting for weeks, but I think I finally filled the basket!
Matt: Happy Easter!
by Murtle January 25, 2008
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To urinate against a fence/wall/tree or simply directly on to the floor between 5 and 10 paces of one's living quarters.

Primarily used at campsites by males.
Male 1: Gentlemen, I must now depart to fill the moat, ready a beer for my return.
Male 2: Dude the bogs are just around the corner, cut that shit out.

*Male 1 backhands Male 2 for not honouring his god given right to urinate wherever the fuck he pleases. Also for being a faggot*
by Male 1 March 04, 2009
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