To block a person from contacting you electronically. (eg block emails, IM, texts, etc.)
That psycho just wouldn't leave me alone; so I edumped him/her.
Inflected Forms: eDumped, eDumpping
(1) To end a relationship electronically
(2) To breakup with someone electronically
eDump may also refer to being defriended
Ahhh, I think my Craigslist girlfriend just eDumped me.