shovelmouth 

A person with a big mouth, that talks far too much and gives away secrets.

"I was gonna tell Bob about that new fishing spot but that bloody shovelmouth will tell the whole damn world"

shovelmouth by Savage-sparky December 9, 2022

shoveltooth 

A somewhat derogatory term for a person of Eastern Asian or Oriental heritage. This is due to the "shovel" shape of the teeth of a people once classified anthropologically as Mongoloid. Plural form: shovelteeth.

"None of those shovelteeth know how to drive."
"That's some good shoveltooth food."

shoveltooth by Alexander "Alpha X-Ray" June 13, 2008

Shovel mouth 

Expression of discontent in which the bottom lip and jaw slightly protrude and the top curls a bit in an almost Elvis Presley style.

I told her she was going to have to take that business elsewhere and she gave me the shovel mouth.

Shovel mouth by D. Dubya July 12, 2015

Shovel Mouth 

Where a person has a tendancy to 'dig a hole' every time they speak, and continue to do so on a particular subject.

"Everything he said made him sound more and more convincingly gay. He had a serious case of shovel mouth!"

Shovel Mouth by Muggus November 26, 2003