look up any word, like the eiffel tower:
 
1.
A repeated deluge of correspondence (usually unimportant) sent via e-mail by someone who cannot control the urge to burden associates with information they improperly deem important.
Baron: "Damn! Eddie Munster is wearing me out with his diarrhe-mail. That's the fifth piece of crap he's sent in the last half-hour."
by ernest.smith February 11, 2011