bocil is abbrev for "bocah kecil" which means kiddo, and kematian is means death. bocil kematian itself is nickname of Windah Basudara fanbase. sometimes also refered as "bocah kematian" which means the same. bocil kematian is means kiddos that behave badly. it might be similar to neighbor kid.
Proper noun. A guttural dialect spoken largely in Italian-American neighborhoods or at the Jersey Shore by Italian-Americans, largely a combination of stock phrases like fuhgeddaboudit and malpronounced Italian words (i.e. gabbagool for "capocollo") that are passed off as being true Italian. A subset of English that makes real Italians cringe.
(A sample sentence of Guidonics below)
Vinnie: "Ey yo, youse wanna come over for dinner? My mom's making macaronis wit gravy."