What is the meaning of Singsong?

A piece of verse with a simple, song-like rhythm.

An informal gathering at which songs are sung; a singing session.

Bad singing or poetry.

A drawling or monotonous tone, as of a badly executed song.

Of or relating to a piece of singsong; simple and melodic, varying in pitch.

To utter in a singsong voice.

To compose poor poetry.

Source: wiktionary.org