BOSING
from the English word "boss"
bosing
slang for "boss"
Mabait ang bosing ko.
My boss is nice.
The word sa is sometimes put in front of bosing as though it were a proper noun.
Sabi nila mayaman si Bosing.
They say Boss is rich.
Filipinos create many new slang words by adding -ing to the end.
For example: nabuko -> nabuking
The Tagalog word bosing is slang and cannot be found in standard dictionaries.