The word "Gidi" is commonly used in Nigerian Pidgin to mean "going" or "leaving". However, there are several synonyms that could be used to convey the same message. Some of these synonyms include "dey go", "move", "commot", "step out", "head out", "take off", "walk out" and "hit the road". These synonyms can be used interchangeably depending on the context or the preference of the speaker. It is important to note that the usage of these synonyms may vary based on the region or dialect, but they all serve the same purpose of expressing the act of departing or setting out.