Wiktionary
a. (context idiomatic English) Of the highest quality. alt. (context idiomatic English) Of the highest quality.
Wikipedia
Top Drawer is a 1983 album by Mel Tormé, accompanied by George Shearing.
At the 26th Grammy Awards, Tormé's performance on this album won him the Grammy Award for Best Jazz Vocal Performance, Male.
Usage examples of "top drawer".
He got a roll of tape out of the top drawer of an old steel filing cabinet.
She walked to the dresser, opened the top drawer, and lifted up Doug's sweaters.
A room in daily use, a bundle of her letters ready in the top drawer of her Empire writing - table, and on the writing - table Simon's Corona machine, and the paper and envelopes of the anonymous letters.
In the top drawer beneath the lamp his father's leftover morphine was kept.
She saw the same hand reach across her body and open the top drawer under the night table.