2.5 Hour Chat

If you are of male origin and call a female friend simply to chat for 2.5 hours or more, you are officially classified as gay and must now hand in your dick for confiscation. Dick may be returned if offender redeems herself. Repeat offenders lose all respect from friends, relatives ect. ect. ect.
Speaker #1: Apparently tyler called lakna last night and they talked 4 2.5 hours
Speaker #2:What a gay loser. He pulled a 2.5 hour chat.
by DevoPast August 03, 2006
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Halo 2.5

The game being released by bungie, an updated version with a better ending than the Halo 2 crappy one.
1."Halo 2's ending both sucked and blowed"

2. "Yeah but they are releasing Halo 2.5 with a better ending"

3. "Shutup! Smart ass!"
by Halo master August 16, 2005
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2.5 ft of swaying death

n
See girth; see length; see width
see also antonio

A penis.
That guy has 2.5 ft of swaying death!
by Del the Funky Homosapien November 11, 2004
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2.5 times π (pi)

7,8539816339744830961566084581988
What is π multiplied by 2.5?

2.5 times π (pi)
by 0oikjnbvcdewqazXDFGTYUIOL June 15, 2021
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Subaru Impreza 2.5 RS

A crappy Jap car that could be good, if you decide to do an engine swap with an STI. But until that happens, this vehicle is usually associated with tons of rice loaded onto the car included but not limited to: fake gold "hand-painted" rims, overly large spoilers, body kits, "sound-systems" that are stock and have a cheap subwoofer and cheap amp. Also they may contain so-called "performance parts" like K&N air intakes, or filters, or NEW SPARK PLUGS! But none of these really do anything perfomance-wise on the car.
Random Dude 1: Hey Aaron check out Steve's amazing Subaru Impreza 2.5 RS!

Random Dude 2 (Aaron): Yea its awesome cuz it has a pink emblem on it!
by J-ooooo March 28, 2008
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Web 2.5

The point of contemporary online usage between Web 2.0 and 3.0. Marked by greater integration, mobility and ubiquitous use. Also problems with adapting to newer methods while holding on to past ones.
All my social media post automatically go to my Twitter feed. Web 2.5 example at work.
by avant/chi fan October 25, 2010
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Phase 2.5

A way to extend a phase 2 for another month without pissing people off (without allowing them to get pissed off).
What did you think would happen? And if phase 2 does end in a month, you'll have a month before elections which would make a bullshit governor look good, then the fall comes, and if infections rise, anybody who just got a job is out of work all over again. Calling something phase 2.5 makes it sound like you're doing people a favor.
by Solid Mantis September 03, 2020
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