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A programmer's joke meaning you should read the source code. It is also a Star Wars themed pun on Obi-Wan Kenobi's "Use the Force, Luke!"

A long form of this is Use the Source, Luke.
Bob just asked me what the program does if the file already exists. I said what I usually say: UTSL
UTSL by McSurly February 24, 2018
Words you can keep
(under the speed limit) saying someone is a ass/slow but in kind way
Bro1: yo if 2+3 is 5 then what is 3+2??
Bro2: damn bro you're utsl(under the speed limit)
utsl by Duigi January 1, 2024
Related Words
Under the speed limit, meaning you’re slow as fck but in a nice way tho but the person won’t know the meaning behind it….SHOWS YOUR POINT
Tom: hey, what’s color is blue?
Siren: black??
Tom: you’re utsl (under the speed limit)
Siren: what that??
Utsl by Luigiiboi January 23, 2024
More from Urban Dictionary

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026

young pup 

a young person, a young adult in their late teens/early 20s.
Ah, you're just a young pup at 23!
young pup by the dog May 30, 2006
Word of the Day on August 25, 2026
West Midlands slang word for rockers, bikers, greasers etc. In the late 1980s it was used by the UK music press to refer to a specific scene centered around the bands Pop Will Eat Itself and Crazyhead. The term never found favour with readers of 'the inkies' (Sounds, Melody Maker and the still extant NME) and was soon dropped. Now often used in predominantly working-class areas of the midlands and the north to mean someone who listens to rock-derived music and/or dresses in a manner that suggests they affiliate themselves with rock music of some kind.
Some grebo passed with Sabbath playing on his stereo.
The Poppies are at no. 17? God, a grebo band in the charts!
They're playing nu-metal now, bloody grebos!
grebo by cactuscat September 15, 2006
Word of the Day on August 24, 2026

TikTok Farlands

TikTok Farlands is a term to refer to videos that you see after scrolling for a long time. These videos can potentially be disturbing, or weird. Said videos can also have low likes, or low comments.
“I reached the TikTok Farlands bro
Word of the Day on August 23, 2026
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