Lei Lo Mo is an insult only used by the Chinese. This insult is also known as Your Mother in english. Lei Lo Mo is a commonly used in the Chinese culture and it has now slowly begun to spread westwards to ward the Indian cultures
Josh: Rishi, I always hear you use the term Your Mother.
Rishi: Yes, it's such a good word
Josh: Well, there is a better way to say it.
Josh: LEI LO MO