(n): the extended two-dimensional outer boundary of a three-dimensional object
(n): (computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system
(n): (computer science) a sequence of instructions that a computer can interpret and execute
(n): the overlap where two theories or phenomena affect each other or have links with each other
(n): a representation of common ground between theories or phenomena
(n): (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
(n): a circuit that is part of a computer
As a noun, I don't have a problem with it. UI issues are fascinating to me as a web developer; and it's always interesting to see what companies like Apple are doing with clickwheels and multitouch.
But as a verb? I shudder.
Yeah, it's sexual in a lame kind of way... or maybe I've just heard it in weird nerd pick-up lines a few too many times.
A horrible word as a noun and even worse as a verb.