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Abbreviation for Epinephrine (adrinaline) which makes your heart rate increase.
Give 5 miligrams of Epi... Stat
by EpiMaN October 02, 2005
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The word you use when describing when somebody gets really angry. Aka a tantrum.
When we put a whoopee cushion on Mrs Jacob's chair she had a massive epi.
by Ellzabelle October 21, 2007
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1. A generic insult

2. An individual who throws attention-seeking fits.
1. Damn! You're so epi!

2. I'm home alone with noone around. Time for an epi.
by Tony Frankie October 09, 2011
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a short term for Epiphone guitars

or it means "outer" like in epicenter, epidermis, etc...
That's such a uber cool epi you played last night at the show!!!!!!!!!
by julingus00 January 23, 2005
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Epi is a term for a person so annoying that you and others fail to spell their name correctly when typing.
Ugggh Jonas was such an Epi last week, I could hardly stand him
by Twisted Branch July 24, 2018
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Is an adjective used to state that somthing has epic status.

epi gives a nice break from the general over use of the word epic.

reference Randi

Sam 'Hey James, I just did 30 Epi-laps of the NΓΌrburgring on Forza, driving class C cars.'

James 'Epi-wow!'

Sam 'Epi-yeah!'
by TheSpine5plitter October 08, 2008
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