As other's have said supposed tapes of trump engaging in watersports with sex workers in the same Moscow hotel room Obama once stayed in
It came from the 'Steele Dossier'(was a big part of the OG russiagate and Muller stuff) written by a B*itish spy Christopher Steele, which has since been thoroughly debookned and discredited
Its weird libs are still so stuck on it(I think they haven't been able to move past Muller et all vindicating Trump from all the 'he's a Russian agent' stuff) when there's actual evidence of him engaging in real sex crimes in the various Epstein material