the gift of the gab Definition

gab (colloq)
noun

1. Idle talk; chat.

Thesaurus: gossip, prattle, small talk, drivel, chatter, chitchat, tête-à-tête, palaver.

verb

intr
gabbed, gabbing
1. To talk idly, especially at length.

Thesaurus: gossip, talk, prattle, chatter, blather, buzz, jabber, yak.
Form: gab on (also)
Form: gab away

Idiom: the gift of the gab

colloq
The ability to speak with ease, especially persuasively.

Etymology: 18c: probably from Irish Gaelic gob beak or mouth.