Gab (3)

Gab, v. i. [OE. gabben to jest, lie, mock, deceive, fr. Icel. gabba to mock, or OF. gaber. See 2d Gab, and cf. Gabble.] 1. To deceive; to lie. Chaucer.

2. To talk idly; to prate; to chatter. Holinshed.