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1.
An brief electronic shout-out to a friend or family member when one is time-challenged - in order to at least touch base. From electronic + holla. Similar in its construction to e-mail (electronic + mail). An e-holla might also be considered a quick response to e-mail or other form of electronic communication. See holla-back.
I hadn't seen my sister for a while so I texted her a little e-holla on my way to the airport.
by maximo hudson June 11, 2009
 
2.
reply to an email message. From the slang term holla back
My moms needs to use the computer, so I will e-holla at you tomorrow.
by Jason Ocain March 15, 2005