You’ve met the Unplungable Clog.
Lay old towels around the base of the toilet to protect your flooring from unsanitary overflow. Step 2: The Lubrication and Thermal Shock Method toilet clogged plunger not working
If the clog is made of organic material or excessive toilet paper, a combination of dish soap and hot water can naturally break it down without mechanical friction. You’ve met the Unplungable Clog