The way people give you there house or cellphone numbers. Its the way they give you their phone number order in a way you understand it or you dont.
Guy1= Hey can i have your number
Guy2= Yeah its 55-5-9-12-3-456 (<- no phone rythm)
Guy= Hey can i have your number
Girl= Yeah its (123)-456-7890 (<- good phone rythm)