To gab is to talk at length, on the phone or in person. This is kind of a slang word, so it’s not used by everyone, but it is common to hear this word used among speakers of American English.
Theresa and Zahra can gab on the phone for hours.
What are they gabbing about?
The supervisor told the employees to stop gabbing and get back to work.
Ned gabs on and on about his grandchildren and it get boring fast.
We gabbed with the neighbors for a few hours at a party down the street.
Henry has the gift of gab. He can talk about any topic at any time. (the gift of gab = the ability to talk easily.)
A person with the gift of gab would make a good radio personality or talk show host.
talk show host
Note: The word "gab" is similar to the word "chat"; however, to chat with someone usually takes less time.
talk show host