Pancake
IRL example:

How it is used in Toribash: When your opponent overextends himself to try and force a move, you can counter it by throwing your hips into him, catching him on his back.

Kosoto Gake:
IRL example:
How it is used in Toribash: When your opponent attempts a backwards suplex, you can counter it by hooking your leg on his outer thigh. This prevents him from lifting you, causing him to fall flat on his back.