It refers to a point in the base system between 2nd base and 3rd base. It is dry-humping. It has always seemed more than simple groping but it is less than the handjobs/blowjobs of 3rd base. Dry-humping now has a definite place on the base system.

guy1: hey, y'know the base system?
guy2: yeah?
guy1: wher does dry-humping go?
guy2: base 2.5
guy1: ok cool thats good to know
guy3: you guys are fucking retarded

Base 2.5 by uberjai July 27, 2012

Base 2.5

Base 2.5 uses powers of 2.5 for the numbers, it is considered binary and Base 5 at the same time.

Oh look! Base 2.5 isn't used! What a bad day!

Base 2.5 by MandullorTheBEEKER October 31, 2021

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Base 2.0

Like second base, but much kinkier. Can involve hands way down pants, way up shirts, etc.

"Dude, me and Mattie went to Base 2.0 last night! It was hot!"

Base 2.0 by antithesis3 January 6, 2009

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1/2 base

Masturbation

Girl 1: "So what have you done?"
Girl 2: "Done?"
Girl 1: "Like...bases."
Girl 2: "Oh! 1/2 base, first base and second base."

1/2 base by grizzy411 July 26, 2012

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2 2 base

a feelski; not quite 2nd base, but 2 2 BASE

Jim: Dude, how far did you go with your date?
Bob: Well, I went to 2 2 base.
Jim: Dude, you pulled a feelski? You're such a player!

2 2 base by Petro McDonald May 7, 2008

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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

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floxi

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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leafers

NYC people who migrate north to Quahog, RI to see the leaves in the fall.

New York and everyone from there can fornicate themselves with an iron stick.

leafers by ss++ February 8, 2005

Word of the Day on September 27, 2026

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Respectfully

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.

Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.

Respectfully by john quan the first December 20, 2020

Word of the Day on September 26, 2026

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You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.

Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."

You met me at a very Chinese time in my life by Sus Chad September 21, 2026

Word of the Day on September 25, 2026

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