A relationship with a member of opposite
sex.
Verb: "to have broadband" is to be having a relationship.
It is effectively an analogy for relationships, with all things related to it corresponding to different parts of the analogy. "Service provider" being the girl or boy you are with, "
56k" is being not quite there yet, "laying cables" - meeting new
people etc.
(So as to be discreet, a
real company with the same initials as the girl or boy you fancy can be used in conversation, see below)
"You got broadband yet?" "
Nah, I'm still on 56k"
"Hows your broadband coming along?" "Slowly, I'm still looking for service providers..." "I thought you fancied Virgin Media?" "Nah, he stopped liking
Vicky May ages ago!"