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A "spoiled brat" or "picky-eater"-type female youngster who is way too fond of Fanta and other sickly-sweet fizzy beverages to want to try real fruit juice or something else that's much better for her but would have a much blander flavor.
Financial-worth list of secretly filling a child's soda-can with apple-juice cocktail:
Cost of discarded Fanta Orange --- 59¢
Cost of apple-juice cocktail that your infanta doesn't want to drink instead --- 39¢
Seeing the look of disgusted revulsion and betrayed child-parent trust on Little Miss Sweet-tooth's face upon tasting her drink and realizing that you secretly switched the Fanta with the apple-juice cocktail --- PRICELESS
(Google "little girl fanta juice cocktail" and look at one of the first pictures that appears under "images")
inFanta by QuacksO August 11, 2018

Infant Annihilator

A boy band for kids and teens with wholesome lyrics, melodic vocals and catchy tunes. Just like One Direction. Their music videos consist mainly of playing in the forest and running at the beach on a sunny afternoon. Recommended for every Belieber who seeks new idols to love.
« My daughter LOVES Infant Annihilator! She always squeals with happiness every time she hears them on the radio! »

Infantryman

A single member of the larger whole that is the Infantry. One who is not only unafraid to fight but fights with a grin on his face.
There is only one job in the modern military and that is that of the Infantryman everyone else is just support.
Infantryman by 11B2P January 13, 2008

Infant Defending 

1. Baby-sitting, but more modern day and less "lame" sounding.
Geoffrey was infant defending Rob last night.
Infant Defending by ThisisaProtocol October 17, 2009

Infant Annihilator

A deathcore band from the UK thats lyrics often depict death, rape, and anti-religious themes. They have two albums, The Palpable Leprosy of Pollution and The Elysian Grandeval Galeriarch, which are available on iTunes.
Have you seen the latest Infant Annihilator memes?

Infantilism 

Enjoyment from infant-related things. Pretending to be a baby, wearing diapers (see diaper lover, speaking like a child (ie "I sowwy"), sleeping in a crib. Wide range of things, but all infant-related

Note that this is interest in the trappings/behaviour of youth, not sexual interest in the youth themselves (that's a pedophile)
Infantilism by Anonymous March 20, 2003
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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