There is a wealth of videos on English(es) spoken in Singapore on YouTube. Here’s a video on some Singlish terms commonly used in Singapore which baffle foreigners:
There are a few more on militarylese available on YouTube. I can’t say that all Singaporeans understand the military language examples on YouTube. Anyway have fun deciphering if you don’t!
In Hindi, “tunch” means “trivial; meagre” (see http://dict.hinkhoj.com/words/meaning-of-TUNCH-in-hindi.html). In Singapore, it’s a neologism from a blend of “unch” from “lunch” and “t” from “tea” which means to have lunch and tea at the same time. It might develop into a common practice of eating heavily – not meagrely. It’s not something out of the mind in a city of food-lovers however!