freewrite

free·writ·ing

F5317100 (frē′rī′tĭng)n. A writing exercise in which a person writes quickly and continuously, with a free association of ideas, especially as a means of initiating a more focused composition.
free′write′ intr.v.

freewrite

(ˈfriːˌraɪt) vb (tr) , -writes, -writing, -wrote or -written (Literary & Literary Critical Terms) to write (something) freely without stopping or thinking