Noun
gift of the gab (usually uncountable, plural gifts of the gab)
(idiomatic) The ability to talk readily, glibly, and convincingly, especially on trivial matters and small talk.
I've never used chat-up lines; I don't have the gift of the gab. Ricky Whittle
When Little Richard used to stand up and play it was just fabulous, and Liberace had the candlesticks and the rings and the gift of the gab. The piano's is the most ungainly rock' n' roll instrument of all time but those two people transcended it, as did Jerry Lee Lewis. Elton John
At 11, 12 I thought I was clumsy, ugly, a mess, an unappealing person, but I did have the gift of the gab. I had the school record at Haberdashers for consecutive detentions for simply speaking out of turn. Simon Schama