Put your money where your mouth is 

To actually do whatever you’re talking about

Person 1: “I could totally shoot scratch on our golf course”
Person 2: “ $100 says you can’t”

Person 1: “Well I don’t wanna….”
Person 2: “Cmon put your money where your mouth is”

Put your money where your mouth is by Tate3223 April 10, 2023

where's your mouth? 

A bragging statement after you do something spectacular which is meant to be answered with dumbfounded silence.

Bruce and his beerpong partner Sally were losing 9 cups to 0. Suddenly, they proceeded to hit 10 cups in a row to steal the victory and Bruce exclaimed, "Where's your mouth?" Their opponents shook their heads and Bruce and Sally embraced.

where's your mouth? by toolguru January 5, 2009

mouthwhore 

One whose oral cavity is used exclusively for the purpose of giving head.

"Piss off out of my face you nasty little mouthwhore".

mouthwhore by Skameequa September 13, 2003

mouthwhore 

a guy or girl who makes out with anyone and everyone, usually the people they kiss are close together chronilogically.

1: "I heard Barbara made out with Johnny and Mike at the party on Friday."
2: "Ew. Gross. I heard she was kissing Shane, too."
1: "Gah, she's such a mouthwhore."

mouthwhore by theGirlinBlue May 23, 2009