Pooping while on the phone. The act of calling someone (or recieving a call) while you are sitting on the toilet.
Also can be used as a noun, but should not to be confused with the current definition of Phoop
Caller A: I want that <grunt> Jones Report <grunt> on my desk <grunt> in ten minutes! <splash>
Caller B: Sir, are you phooping me?
I'll be right back, I need to phoop my ex-wife's lawyer.