By: Addison Wylie For a Good Time, Call… uses colourful language whenever it can. It needs to. When a film has two lead characters opening up their own phone sex hotline, naughty language is a prerequisite – and the film has certainly earned its R rating. However, the film also needs the salty language to cover up just how lifeless the film is. If actresses Lauren Miller and Ari Graynor talk excessively about penises and…