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1.
A very intelligent man who is fun to be around. Can be a little socially awkward, but definitely not as bad as he claims he is. He's a bright-eyed and unique person. Definitely one of a kind. If you ever meet a man named Jimi, you need to introduce yourself, because you'll have gained a friend instantly. He may be a little shy, but his heart's as big as the moon and his dreams as big as the sun.
Did you see that guy with the wigglies? I bet his name is Jimi!

He totally looks like a Jimi. Look at how he's so nice to everyone!
by JimiFan January 05, 2011
 
2.
Jimi is a code-name for marijuna derived from the late
musician Jimi Hendrix know for his consumption of Cannabis
and can be used as an over the phone code to avoid suspicion
as shown below.
John: Hey man when can I borrow that Jimi CD (do you have the weed)

George: Yea man the store had it, its 30 bucks (the dealer had it and it costs 30 bucks)

John: its a double disk right (its a big bag)

George: yea I'll bring it over (obvious)

by crazydiamond986 October 11, 2007
 
3.
A wanksta who thinks hes black.
a person who likes to talk black and act black.
the same as a wigger.
"Yo what up dawg"
" that dude is such a jimi"

"he straight up pulled out a gat"
that would be a thing a jimi would say
by tope April 25, 2007
 
4.
Pronounced "heemee," describes a rather large (fat ass) man or woman.
"Damn! Look at that Jimi walking out of Fat Burger."
by Dennis Pesikov September 02, 2007