Yank the plunger up quickly to break the seal. Listen for the sound of the water draining.
Once you’re confident the blockage is gone, go ahead and flush to ensure the pipes are fully rinsed. When the Plunger Fails how to unblock toilet with plunger
Many people make the mistake of only pushing down. The is actually just as important for loosening the clog. Yank the plunger up quickly to break the seal
To make the plunger rubber more pliable and create a better seal, run it under hot water for a minute before you start. Do you have a toilet auger on hand, or how to unblock toilet with plunger