Pass Motion
The term “pass motion” is often used in Asian countries such as India, Singapore, Malaysia etc. to refer to an activity that people do in the toilet to pass out the food from their stomach after taking their meals (a bowel habit). “I tend to PASS MOTION after a meal.” “If one eats a lot of fiber than one will PASS MOTION more often.” In the US you could say something like, “to use the facilities”, or if you wanted to be more explicit about it, “to move one’s