I think it is pidgin-speak (purposely mistyped) for "big wires".
To take this one more (Freudian) step further... Is BIG WIRE syndrome related to:
Big Truck, Big Wheels, Big Gun, Big... er, thingy?
I am very comfortable with the size of my (to spec) 14 ga. wire, thank you very much! But my speakers gotta be HUGE! After all, I am 'downsizing' from 26 years with my beloved Klipsch Cornwalls, {... tear slowly runs down one cheek...} to more HT appropriate (and WAF) M80's or M60's. {... wipes tear and smiles. Especially 'cuz wife allows carte blanche on replacements, because I am giving up the Huge speakers... sighs... I am a lucky man...}