Usually a male Sexually pleasuring yourself. Can be done alone, or in the company of others. Also can be done with the help of others.
Phil said that he had to leave early to go home for dinner, but I found out later that he just went over to Stevos to feed the ducks.
de Jobot 19 Octombrie 2003
Several news reports indicate that Thailand may lead the world in penis slashings, often over disputes about the common custom of men having a second wife. The act is colloquially referred to as "feeding the ducks" because that is apparently a common way of getting rid of the evidence.
The second wife was jealous of the affection the husband gave to the first wife. She spoke often of feeding the ducks. The woman severed her husbands penis in the night. The ducks looked well fed.
de ember33 15 Iulie 2011