Intentional corruption of the term "fly by wire", i.e. an aircraft who's flight control system has no physical link between the pilot's controls and the external control surfaces, relying instead on computers. A complex and malfunction-prone system, leading to a certain background amount of low-level panic amongst those required to fly such aircraft, either as crew or passengers.
"These damned die-by-wire Airbus jobs give me the Brown Trousers every time I get in one"
A swollen female vag that protrudes through tight clothing - most likely because it is hungry; or, engorged with taco stuffing. Either way, it is similar to the female cameltoe but sligtly more frigtening.
mega taco + pants (optional) = hungry women