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1.
Rapper of 2Pac's crew/breed who got shot fatally.
"Tell me Lord, why you take big Kato?"
by Thilo Ettelt December 14, 2003
 
2.
A noncelebrity who lives rent-free in the house of a famous person, does odd jobs, acts as a confidante but isn't exactly a friend.
No example
by katsarida March 13, 2004
 
3.
Someone who always has to save his buddy's ass when he gets into a fight, just as Kato (played by Bruce Lee) often had to save the Green Hornet's ass.
Mark and I went to the bike bar last night. I had to pull a Kato.
by Comic Ozzie December 01, 2006
 
4.
v.intr. To take advantage of, particularly in a lackadaisical style that evokes slackerdom. Named after O.J. Simpson's famous roommate Kato Kaelin. Coined by columnist Ted Rall.

n. One who katos.
I used to kato off my neighbor's wifi until he got wise and secured it.

He's such a kato, living off his parents at age 26.
by dm donkey May 26, 2006
 
5.
A hugely fat girl that a guy usually hooks up with after 10pm. She is currently a 2 but after drinking several Captain and Red Bulls, she becomes a 10. She seems to have shrunk and now looks good while getting into the hot tub with.
The other night Dave started drinking Captain and Red Bulls at 10pm and ended up doing a Kat-o.
by Rizzo99 March 05, 2008
 
6.
A guy who is weird in a cool way and gets along with everyone.
He's such a Katos. Let's chill with him.
by Caleb Owens February 17, 2008
 
7.
Named for O.J. Simpson's former house guest Brian "Kato" Kaelin, this is a person who seeks out rich and/or famous people, moves into their home rent-free and is given things like gifts, expense accounts, credit cards, free vacations, professional and political connections and other perks without giving anything in return. This is not the same as prostitute or golddigger as sex is not involved as it can be with a person living with someone of the same gender and both are heterosexual.

Also, this person isn't your garden-variety leech as these individuals purposely seek out rich and famous people for their own personal gain, perhaps to become famous themselves.
Kato Kaelin with O.J. Simpson, Kim Kardashian with Paris Hilton.

That dude is such a Kato as he's getting everything handed to him.
by Terry AKA KingD February 01, 2008