Origin: ME gabben, to lie, scoff, talk nonsense < ON gabba, to mock (& < OFr gaber < ON), akin to OE gaffetung, a scoffing & gaf-spræc, foolish speech < IE *ĝhebh- < base *ghē- > gap, gape, gasp
See gab in American Heritage Dictionary 4
intransitive verb gabbed gabbed, gab·bing, gabs
Origin: Middle English gabben, to scoff, speak foolishly
Origin: , from Old Norse gabba, to scoff.
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