Tachylalia or tachylogia is extremely rapid speech. Tachylalia occurs in many clutterers and many people who have speech disorders. Tachylalia is a generic term for speaking fast, and does not need to coincide with other speech problems. Tachylalia by itself is not considered a speech disorder. Tachylalia may be exhibited as a single stream of rap...
Rarely used term for tachylogia. ... Origin: tachy-+ G. Lalia, talking ... (05 Mar 2000) ... 
(tak″e-la´le-ә) logorrhea.
tachylalia The abnormal rapidity of speech or talking very quickly.