chatter vs shoot the breeze

chatter is a noun but shoot the breeze is not a noun.

Word	Noun	Adjective	Verb	Adverb
chatter	Yes	No	Yes	No
shoot the breeze	No	No	Yes	No

As verbs, chatter and shoot the breeze are synonyms defined as:

chatter and shoot the breeze: talk socially without exchanging too much information

Other synonyms of chatter include chaffer, chat, chew the fat, chit-chat, chitchat, claver, confab, confabulate, gossip, jaw, natter, visit.

chatter (noun)	shoot the breeze (noun)
noisy talk
the high-pitched continuing noise made by animals (birds or monkeys)
the rapid series of noises made by the parts of a machine

chatter (verb)	shoot the breeze (verb)
speak (about unimportant matters) rapidly and incessantly	talk socially without exchanging too much information
talk socially without exchanging too much information
make noise as if chattering away
cut unevenly with a chattering tool
click repeatedly or uncontrollably