You call somone on the phone and there line is engaged you'd say.
"Jesus fuck, Titty Rubbing Gash Poker"
or
Friend 1: "You manage to get through to them?"
Friend 2: "Nah man, Titty Rubbing Gash Poker"

phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz