welcome to the rice fields mother fucker
To inform a person that they are in the rice fields
Welcome to the rice fields mother fucker here is where you'll work
welcome to the rice field mother fucker
A kind greeting said by someone who has worked at a rice field for a very long time. This greeting is typically a traditional way to greet a new worker/employee.
New worker: Nice to meet you. I'm going to be working here from now on.
Veteran worker: Welcome to the rice field mother fucker.
Veteran worker: Welcome to the rice field mother fucker.