Truck Load
True North
Trump Card
Trust But Verify
Trusted Advisor
Turn Around
Turnaround Time
Tweeps
Twitterverse
Two Pizza Rule
Two Week Notice
UML
UML Diagram
URA
UX
Uberization
Uncharted Territory
Under-Index
Underpaid
Underscore
Unicorn
Unplanned Work
Unquit
Unreasonable Request
Unregretted Attrition