American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mouthy" in a sentence
"My horse is "mouthy" - no biting, but sticking his muzzle right into you searching for treats."
"Pitbulls seem to be very "mouthy" - I've been through two of them now."
"You're just going to be known as the mouthy one who gets in trouble for saying what she thinks."