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1.
A random joke that comes out of nowhere that usually causes hilarity to ensue
after that guy pulled a Nephi, that crowd was in a riot for at least 10 minutes.
by KatieTheCarhop June 27, 2010
 
2.
one who looks like and relates to Tito from rocket power and the Ancient Hawaiians
As the Ancient Hawaiians say, Nephi looks like Tito.
by bucsfan1991 March 29, 2011
 
3.
i fart that never goes away
when you just cantstop smelling a fart so just say you smell like a nephi
by thelonglastingfart April 30, 2009
 
4.
A newb.

A mildly retarded gnome.
"I just met this dude at school today, a total fucking nephi."
by Watkins April 11, 2006