Is ghusl obligatory if a white fluid is discharged after feeling aroused, and the fluid resembled semen, but I considered it wadī and did not perform ghusl?

The mentioned fluid is called wady. It is a white, viscous fluid that often exits after urination, and sometimes before it. Its ruling is that it is impure (najis), necessitating ablution (wudu') but not a ritual bath (ghusl).