on the throne
1. Reigning as the monarch or ruler of a country. With the new king on the throne, the country has seen an unprecedented level of prosperity and peace.
2. slang Seated on and using the toilet. John always reads the newspaper when he's on the throne.
on the throne
1. Lit. [of royalty] currently reigning. King Samuel was on the throne for two decades.
2. Fig. Sl. seated on the toilet. I can't come to the phone. I'm on the throne.
on the throne
mod. seated on the toilet. I can’t come to the phone. I’m on the throne.