must be wild

A phrase meaning that someone is crazy or has pretty much lost their mind.

To someone: "We should sneak out tonight!" Other Person: "MUST BE WILD!"
To someone: "I dare you to go cuss your mom out." Other Person: "MUST BE WILD!"

gramishy

A description of something saying it's like a grandma. Grandma-ish.

"Do you see what she's wearing, it's so gramishy!"
"OMG! I swear I've seen my grandma wearing that! How gramishy."