Pour about half a cup of liquid dish soap (like Dawn ) directly into the bowl. Let it sit for 15–20 minutes to settle around the clog.
If none of the above methods work after two attempts, the clog is likely deep in the main drain line or involves a foreign object beyond the trap. Call a plumber or use a toilet auger (snake), which is a specialized tool distinct from a plunger.
Pour the hot water into the bowl from about waist height. The added pressure from the height helps force the soap and water through the blockage.
Soap lubricates the pipe; hot water softens paper and melts grease. Procedure: