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1.
usually used by samoans when they get all nuts and like beef with the mokes or with anyone that stands in their path.
Chu chu sole we go trow la dat.
by Kalani December 10, 2004
 
2.
dirty, nasty, not good, gross

Used in Southern Louisiana to explain to children what is not good.
A little boy drops his lolli-pop in the dirt and picks it up to put in his mouth. His Uncle says, "Don't put that in your mouth, it's chu-chu."
by Jessie and Adam July 24, 2006
 
3.
This word may also refer to Pikachu, a Pokemon.
Chuchu and chewing gum can be used interchangeably.
Nishant tu bhi ek dum chuchu hai.
by Pookymaximus January 11, 2010
 
4.
Chuchu is directly taken from the word 'chutiya'. Chuchu is a very sweet word, and you can use it all the time, to say that a person is stupid as well as when you think that person is cute. This arose in Indian Institute of Technology in Bombay.
Aditya tu toh chuchu hai.
by giridhaaripooky January 10, 2010
 
5.
To leave a brown stain in your pants.
Oh man, I just chu-chu'd in my pants. I had better stop by the laundromat.
by Trialsin June 28, 2007
 
6.
Chuchus are green, red, blue, yellow, purple, or golden jelly-like creatures found in The Legend of Zelda Series from Nintendo. Killing Chuchus will usually drop their jelly which can be used as potions. Games I have played that they are in are Wind Waker or Twilight Princess.
What I IMAGINE Chuchu Potions may give you...

Green: Magic/Nothing.

Red: All Life energy/8 hearts.

Blue: Life energy and magic/All Life Energy.
Yellow: Lantern Oil.

Purple: Random.

Golden: Grants all life energy AND gives strength boost until a while has passed or you take damage.

Black: Lose 1 heart.
by Link the Hylian Hero January 11, 2014
 
7.
another slang term for the usage of "breasts" or "boobs"
I had to go shopping for a new bra because my chu chu's got too big
by lovemesome June 05, 2011