Technical Slang

The tech world is filled with acronyms and abbreviations. Whether you are discussing hardware, software, the Internet, or some other technology, there's a good chance technical acronyms will enter the conversation. The list below will help you understand more of what the nerds around you are saying and may even help you build your own geek lexicon.

Slang Term Meaning Votes
dlDownload
sfxSpecial effects
TOSTerms of service
FPSFrames per second
CCCarbon copy
CGComputer Graphics
ulUpload
HTTPHyperText Transfer Protocol
ITInformation Technology
tbTerabyte
GIFGraphics Interchange Format
FTFaceTime
BCCBlind carbon copy
HTTPSHyperText Transfer Protocol Secure
CSSCascading Style Sheet
CrappleApple
404Page not found
HDDHard Disk Drive
TechlexiaInability to use technology
LOCLines of code
CruftRedundant software or hardware
RTFMRead the flippin' manual
ROMEmulator game
URLUniform Resource Locator
HDTVHigh Definition TV
URNUniform Resource Name
OTPOne-time password
Kill screenA screen that prevents progress by a user
SSDSolid State Drive
WWWWorld Wide Web
CSOMClient side object model
2FATwo-factor authentication
CTACall-to-action
Social engineeringTricking people into sharing information
FLEDGEFirst Locally Executed Decisions over Groups Experiment
HTMLHyper-Text Markup Language
UIUser Interface
TechlexicUnable to comprehend technology
ANRApplication Not Responding
5GFifth-generation cellular data technologies
BIMBuilding Information Modeling
HackintoshA computer running an unauthorized version of macOS
Link rotWhen web links go dead
FTPFile transfer protocol
MSMicrosoft
vfxVisual effects
SSLSecure Sockets Layer
GUIGraphical User Interface
4GFourth generation cellular data technologies
3GThird generation cellular data technologies
mbpsMegabits per second
gbGigabyte
URIUniform Resource Identifier
MDMMobile device management
MIMEMultipurpose Internet Mail Extensions
GrokIntuitively understand
CLSCumulative Layout Shift
ICSIce Cream Sandwich
MBAMacBook Air
SoDSleep of death
RRoDRed ring of death
JBJailbreak
IPTVInternet protocol television
YLoDYellow Light of Death
Spear phishingTargeted phishing attack
ADBAndroid Debug Bridge
BBRBroken beyond repair
JASEJust another system error
OOOpenOffice
ISPInternet Service Provider
compComputer
MBPMacBook Pro
sysadminSystem administrator
NetiquetteInternet ettiquette
LEDLight-Emitting Diode
DBADoing business as
Voice sniffingEavesdropping by a voice assistant
VMVirtual machine
ARFAbuse Reporting Format
FBLFeedback loop
Core Web VitalsMetrics that measure the user experience of a website
FIDFirst Input Delay
CentaurA human aided by artificial intelligence
d/lDownload
u/lUpload
PnPPlug and Play
s/wSoftware
DRMDigital Rights Management
LCDLiquid Crystal Display
mbMegabyte
kbKilobyte
WinblowsWindows
DNSDomain Name System
SAPSystems, Applications, and Products
FreemiumFree with optional purchases
DKIMDomainKeys Identified Mail
CRTCathode Ray Tube
LCPLargest Contentful Paint
MAUMonthly active users
LinsuxLinux
msftMicrosoft
HackbookA laptop running an unauthorized version of macOS
KSKill screen
txTransmit
rxReceive
jsJavaScript