to sacrifice some other person by some means electronically; by email or texting for personal gain
After a few rounds of back and forth emailing trashing John, he eFucked me by adding him as a bcc in our last exchange
by Mr. McLaren July 8, 2009
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eFUCK,

When responding with a degogatory or sarcastic tone to an email but replying to all (recipients)as opposed to the sender.

Or

Copying in the wrong people and hitting send then looking like a Knob for sending the eFUCK mail
NORMAL EMAIL

Out:
To: John,

C.c :Dave, Harry

Hi All, how's the project going?

Cheers

Pete

PRIVATE EMAIL

In:
To: Pete
C.c:

Pete,

it's slow because Harry is a sanctemonious TWAT

Cheers

John

eFUCK EMAIL
In:
To: Pete
C.c: Dave, Harry

Pete,

it's slow because Harry is a sanctemonious TWAT

Cheers

John

(The eFUCK Mail copied in the recipient being abused, and thus Backfired send causing them great embarasment or to spend an age retracting their statement)
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When you are extremely livid and you pronounce every last syllable with authority.
"Margret! That is efucking nuff"!
by Unknown107 November 15, 2016
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