spiel
hold forth
run on
macro-
dolicho-
far
sesquipedalian
sesquipedality
sesquipedalianism
superlong
speel
chatathon
rambling
long-winded
overdiscuss
yacker
age
ages
grip
talkative
donkey's
long as one's arm
blue moon
yak
gab
airtime
ultralong
dragging
longish
light year
crow's age
years
overtalk
coon's age
overlong
talk the legs off a pot
talkathon
polari
gale
talk the hind leg off a donkey
talk someone's arm off
descant
like the sound of one's own voice
talk the leg off the Lamb of God
talk someone's head off
jabber
multiloquy
yack on
overtalkative
hyperextended
tlk
rap
tirade
pour forth
hippopotomonstrosesquipedalian
chat
wordlength
talk a blue streak
walkie-talkie
long-windedly
speak volumes
prolixity
minuteslong
forever
necro-bump
longwhiles
long
blabbermouthed
long-handled
overkeep
palaver
blabby
monologue
subconversation
talkful
talkaholic
megathread
pole-handled
bigmouthed
jaw
logorrhea
yack
yap away
rattle on
yack away
as long as
motormouth
ranting