You have a main sewer line stoppage and you need to have your drain pipe roto-rootered.
Yes, you can adjust the toilet clog to clause your toilet to overflow.
by clogging it and then taking the stopper out of the back and it will flush continously and it will overflow.
Clean...
"Your toilet did not overflow today!" in English is Il tuo gabinetto non ha fatto troppopieno oggi! in Italian.
wrong stuff placed in the toilet
nope!
An overflow pipe on a (toilet cistern?) will leak if the rubber disc in the ballcock slide valve needs to be replaced.
your water pressure/volume is to much for the overflow to handle.after repair try to turn shut off valve under toilet to slow water fill in tank.test by holding down float while refilling toilet.
You need your septic tank cleaned out.
the toilet overflows if either the building sewer, branch line in your sewer system or trap in your toilet gets clogged.
If it is coming from the tank: NO. If it coming from the bowl: YES!
Clogged drain or toilet. Also check the vent holes under the rim and clean the out.