motormouth


mo·tor·mouth

noun \-ˌmath\

: a person who talks too much

Full Definition of MOTORMOUTH

:  a person who talks excessively
mo·tor·mouthed \-ˌmathd, -ˌmatht\ adjective

Examples of MOTORMOUTH

  1. <I had to listen to the motormouth's cell phone conversations for the entire commute.>

First Known Use of MOTORMOUTH

1955

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