Has the competitive toribash scene come up with any new terms for the game? I've only learned the terms shown in the toribash terms thread from a while ago. (Decap, fracture, etc.)

Can you post a link to that thread?
People will know what not to repeat that way.

Sure. http://forum.toribash.com/showthread.php?t=105767

Have you heard any new terms from the people in lobby chat?

well that covers alot

maybe just shortened stuff like
frac=fracture

dm=dismemberment

gg is not local to toribash but it means good game

if you dont understand a term somebody uses ask them what it means

There's also:

Ghosting - Consists on passing with one of your limbs through the inside of another one of yours. Happens commonly with thighs or with high speeds. It is a bug. Usually applied in singleplayer realism replays as a negative remark, or done to make booms more easy.

And maybe some other ones that I can't remember right now.

Noticed an influx in "suplexing" as well. But yeah, it's probably been around for some time anyway lol. It's basically when you lift your opponent off the ground, and using your momentum and weight, you fall down with your opponent whilst trying to disqualify him (flipping him.)

Not often used but "zombie"

When an arm or leg gets dismembered and is still being used to do damage to the opponent.