A person who uses the word SON excessively. Sometimes a Chigga mixes it up and says fool, but what he/she doesn't know is that their the FOOL.
They listen to hip hop and you think because the Jabba Wakkes won America's Best Dance Crew, they think they can dance= CHIGGA
The son of the far east that uses the word SON repeatedly= CHIGGA.
An asian that walks and talks like a wigga=Chigga