Chin meaning : The bottom of a face, (specifically) the typically jutting jawline below the mouth. Talk. A lie, a falsehood. The ability to withstand being punched in the chin without being knocked out. The lower part of the front of an aircraft, below the nose. The bottom part of a mobile phone, below the screen. To talk. To talk to or with (someone). To perform a chin-up (exercise in which one lifts one's own weight while hanging from a bar). To punch or hit (someone)'s chin (part of the body). To put or hold (a musical instrument) up to one's chin. To turn on or operate (a device) using one's chin; to select (a particular setting) using one's chin. To put one's chin on (something). To indicate or point toward (someone or something) with one's chin.