Such behavior may include undressing in public, fondling the genitals, or touching someone in an inappropriate way.
The bus driver and the man were quickly undressing to reveal that they were in fact a flaming red devil and a grim reaper.
Without undressing, he lay down on the leather sofa in front of a round table, put his big feet in their overboots on the table, and began to reflect.
One day he would order his camp bed to be set up in the glass gallery, another day he remained on the couch or on the lounge chair in the drawing room and dozed there without undressing, while--instead of Mademoiselle Bourienne--a serf boy read to him.
She spent the night of the fourteenth as usual, without undressing, in the room next to the one where the prince lay.