0 talking and expressing your opinions a lot, especially in a rude way:
a mouthy teenager
Twitch, despite being less muscular, is just as mouthy and is pretty much the same.
Many of her roles have been portrayals of intimidating female figures such as judges, policewomen and mouthy waitresses.
The lip strap helps keep a mouthy horse from mouthing or lipping the shank.
Having found out the hard way that banter doesn't always work, she becomes quieter and not as mouthy.
Spencer describes himself as being mouthy, opinionated, and chill.