Here are the possible solutions for one speaking nonsense clue
Answer
Clue
Relevancy
driveler
Clue
One speaking nonsense
Definition
one who drivels, also DRIVELLER
etaoin
Clue
"___ shrdlu" (nonsense phrase of old type-setting lore which has an interesting backstory but I can't do it justice in the space of a single clue even a long one like this so yeah it's just kind of a
prattler
Clue
One talking nonsense
Definition
one who prattles
addy
Clue
Where one lives, casually speaking
Definition
(slang) an email address
asl
Clue
Speaking with one's hands: Abbr.
Speaking with one's hands (abbr.)
assertor
Clue
One speaking positively
Definition
one who asserts, also ASSERTER
fear
Clue
Public speaking, for some, or needles in one's eyeballs, for me