An acronym for Electro-Motive Force, which is really a misconception in the world of physics, carried over many decades due to "convention". EMF was originally thought to be responsible for moving positive charge carriers through a medium, and of course, this was later found to be incorrect. Along with the fact that electrons are in fact negative charge carriers.
The EMF in a electrical circuit loop equals the product of the resistances and the respective currents through the resistances.
by TheEnglightened December 22, 2004
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Early Morning Fat.

Large erection found (usually) on men when they wake up, often at early hours.
I woke up this morning and the missus was riding my EMF.
by Baer October 1, 2004
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Eat My Fuck

E.M.F. was coined by G.G. Allin on his album "Eat My Fuc" (With no "K")
EMF you cock smokeing whore! Or I'm gonna rape you!
by Ourlaw Scumfuc January 14, 2008
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Ethnicity / married / looking for

A continuation of asl

Basically asking for more specific details about a person
Girl: asl
Boy: 20 / m / usa
Girl: emf
Boy: White / single / a gooood time ;)
by harikari May 3, 2011
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Like Suck my dick (smd) but Eat my fanny (emf)
Guy: smd hoe!

Girl: no, emf bro!
by blankok November 15, 2010
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1. You're such a looser, I don't have to listen to you - EMF
2. *After beating another player* EMF
by LackLust April 16, 2008
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