rusty trombone

Noun

slang vulgar

(slang, vulgar) The act of simultaneously performing anilingus and masturbating the penis.

Japanese Meaning

俗語・下品な表現として、同時に肛門舐めと男性器の自慰行為を行う行為を指す。

He used the term rusty trombone in his stand-up routine, knowing many in the audience would find it vulgar.

彼はスタンドアップのネタで、口と手を同時に使う特定の性的行為を指す下品な俗語を使い、観客の多くが不快に感じるだろうと分かっていた。

Sense（1）

(slang, vulgar) The act of simultaneously performing anilingus and masturbating the penis.

The “RustyTrombone" you know that I think that is the oldest of all these sickening things uh, 'cause I heard that one years and years and years ago.

rusty trombones

（ plural ）