jawbone I. \ˈ ̷ ̷| ̷ ̷\noun 1.: jaw 1a; especially: mandible 2.slang: credit, trust < got his winter's supplies on jawbone > < prohibit further jawbone at post exchanges — Newsweek > II. \ˈ ̷ ̷ ˌ ̷ ̷ \verb Etymology:jawbone, noun : to talk to or about in order to gain some end