squelcher Share definition Flag 1. One who does not live up to a commitment. 2. A person who breaks the terms of an agreement or contract 1. That asshole told me that he was going to be here at 7:30 and he hasn't shown, what a squelcher. 2. I had the deal all set up, but then that dude bailed out and didn't want to pay, because he's a total squelcher. squelcher by NacoTaco February 1, 2005 Get the squelcher mug.