barking rat 

Same as rat dog; a small, usually noisy dog typically weighing less than 10 to 15 pounds. Often capitalized Barking Rat.

Britney: "Oh, how cute! A Mexican Barking Rat!"
Rachel: "No, it's a Chihuahua"
Britney: "Like I said..."

barking rat by For Whom the Bell Trolls June 17, 2006

barking rat 

Same as rat dog; a small, usually noisy dog typically weighing less than 10 to 15 pounds. Often capitalized Barking Rat.

Britney: "Oh, how cute! A Mexican Barking Rat!"
Rachel: "No, it's a Chihuahua"
Britney: "Like I said..."

barking rat by For Whom the Bell Trolls June 15, 2006

Mexican bug-eyed barking rat 

A Chihuahua. Not even close to a real dog. They constantly tremble and shiver and lick their dicks.

For decades,breeders and pet stores have been passing off Mexican bug-eyed barking rats as dogs and calling them Chihuahuas

Mexican bug-eyed barking rat by wolfbait51 April 20, 2011

barking rats 

The noise when you shit air out of your ass.

Jesus Christ, James. Keep those barking rats in your ass.

barking rats by I LOVE CORONA!!!! July 11, 2004