An individual who approaches someone's desk or workstation in a work environment almost immediately after sending them an email, usually to confirm that the email has been received.\n> Bill: I just sent you an email. Did you get it?\n> Mike: Probably, I haven't checked.\n> Bill: Can you check?\n> Mike: Uh yeah, looks like I got it.\n> Bill: Thoughts?\n> Mike: My immediate thoughts are you're an email courier and a douchebag.\n