Answer:
Essentially it means "cool" as in "That's cool" Something that is agreeable or fun.
It's a slang word that is derived from "Chulo". I have no clue where "Chulo" came from, but it is definitely coloquial slang used in the carribean, especially Puerto Rico.
Chulo (cool/fun), Chuleria (really cool, lots of fun), Chuchin (Cool, alright!)