Any lazy or useless activity a sales person engages in that prevents them from picking up the phone and calling potential customers or clients.
Pam: Hey Brad, I've spent my entire morning getting Russell's prospect list together so he can spend the afternoon cold calling. Do you know where he is this morning?
Brad: Oh, he called in and claims he will be cold calling from home this morning.
Pam: Yeah, right. You mean he's "coldstalling", right?