ShatNastic 

When someone Shits there pants after laughing so hard they cannot stop it from coming out.

After Bobby told a hilarious joke I was laughing so hard it was ShatNastic.

ShatNastic by BlindMan27 January 25, 2009

shradtastic 

Usually towards the background of skateboarding, snowboarding, etc. it is most commonly used to describe anything so awesomly shredable and fantastic that it is spontaiously announced as shradtastic

That jump is SHRADTASTIC

shradtastic by Sir Shreds-alot February 20, 2010

Santastic 

Santastic is a guy from Liege's Llama Habitat server, he is also known for being the best stalker in this world, if you join a game, he has alr joined and he must the waiting for you, he is also known as Santa, and he will give you presents if you ask him, he is a papulince, so, dont be closer to him, or you will become a papulince!

Oofrun: what are you doing?
Vincent: Trying to avoid Santastic's stalks

Santastic by Minced Meat July 11, 2020