According to Official Guinness Records,
The most times to pass through a toilet seat in one minute is 10 and was achieved by Thaneswar Guragai (Nepal) at Guinness World Records HQ, in London, UK, on 8 August 2018.Thaneswar brought his toilet seat all the way from Nepal to London to attempt the record.
For a complete list of 2018 records, please visit 2018 Guinness Records in United Kingdom.