To be defeated or outperformed in a manner that is embarrassing, one-sided, or overwhelming, typically in a competitive activity or game.
"Fred got gutterstopped by Eric in chess last night, losing all his pieces within the first few moves."
by Pooper Poo Poo 9000 July 21, 2023

Beating someone in something so badly that they get humiliated and suffer embarrassment for the rest of their lives
by skyify July 10, 2023
