UAD You Are Drunk

UAE United Arab Emirates
UAE Unrecoverable Application Error

UAFIUGI You Asked For It You Got It

UART Universal Asynchronous Receiver-Transmitter

UASV You Are So Vain

UAV Unmanned Aerial Vehicle

UBD User Brain Damage

UBE Unsolicited bulk email

UBI Unexplained Beer Injury

UBIT Unrelated Income Business Tax

UBS Unbundled Bitstream Service

UCC Uniform Commercial Code

UCCOM You Can Count On Me

UDA Unified Data Architecture
UDA Usual Disclaimers Apply

UDB Unified database

UDFs User Defined Funtions

UDI Unidentified Drunken Injury

UDP User Datagram Protocol

UDS Ugly Domestic Scene

UDUM You Don't Understand me

UFO Unidentified Flying Object

UFPT Ultra Fine Pitch Technology

UFS Unlucky For Some

UGBK You Gotta Be Kidding

UGTBK YoU've Got To Be Kidding

UHBW You Have Been Warned

UHF Ultra High Frequency

UHSE User Head Space Error

UHT Ultra heat treated
UHT Ultra High Temperature

UI User Interface

UIAM Unless I Am Mistaken

UIF User Interface Framework

UIN User Identification Number

UIU User Interface Unit

UKP United Kingdom Pounds

UKTR You Know Thats Right

ul Upload
ul Urban legend
ul You will

ULP Unleaded petrol

ULV Ultra Low Voltage

UMBJ You Must Be Joking

UMD Universal Media Disc

UML Unified Modeling Language
UML Universal Modelling Language

UMMC You Make Me Crazy

UMML You Make Me Laugh

UMS Uniform Mark Scale
UMS User Mode Schedulers

UMTA Urban Mass Transportation Association

UMTS Universal Mobile Telecommunications System
UMTS Universal Mobile Telephone System

UN United Nations

UNC Uniform Naming Convention

UNESCO United Nations educational, scientific and cultural organization

UNICEF United Nations International Children's Emergency Fund

UNK You Never Know

UNT Undergraduate Navigator Training Navigator training
UNT Unit Next Time

UOINDIC Unless Otherwise INDICated

uok? Are you okay?

UOM Unit of Measure

UOT You Out There

UPC Universal Product Code

UPOC Universal point of contact

UPS Uninterruptible Power Supply

UPVC Unplasticised Poly Vinyl Chloride

URI Universal Resource Indicator

URLCM You Are Welcome

URSS You are so sexy

URYY4M You are too wise for me

URYYFM You are too wise for me

US United States

USA America

USB Uniform Serial Bus
USB Universal Serial Bus

USMC United States Marine Corps

USP Unique Selling Position
USP Unique Selling Proposition

USPTO United States Patent and Trademark Office

USSD Unstructured Supplementary Service Data

UST Underground Storage Tank
UST United States Tariff

UT Universal time

UTBNB Up the bum, No babies!

UTC Coordinated Universal Time
UTC Under The Counter

UTF Unicode Transformation Format

UTFL Use The Force, Luke!

UTN Universal Transverse Mercator

UTT Under the table

UTTT You Telling The Truth

uty Up to you

UUCP Unix-To-Unix Copy Protocol

UVR Ultraviolet radiation

UVW Unloaded Vehicle Weight

UW You Wish
UW You’re welcome
UW Your Welcome

UWB Ultra Wide Band
UWB Ultra wideband

UWC You Will See

UWMA Until we meet again