Tagalog + English, the Filipinos' lingua franca
What is Taglish? It is Tagalog and English, just another language.
From Wikipedia: "Taglish is a portmanteau of the words 'Tagalog' and 'English' which refers to the Philippine language Tagalog (or its liberalized official form, Filipino) infused with American English terms... Taglish is perhaps most common in Metro Manila, where its use has become stereotyped. Its influence has nevertheless become great, as it is now arguably a lingua franca in many parts of the country [...]"