One of the most

Not the most.

USA is one of the most populated country.

by RaythL April 27, 2020

One size fits most

To perform well during sexual intercourse; to satisfy a woman

You know that girl I partied with last night? One size fits most.

by Tenshinhan August 3, 2010

One of the most idiots

An idiot so stupid, they don't even have a rank in their idioticness.

This dude is One of the most idiots.

by ThatOneArtistLOL October 9, 2025