B-Cap

Standing for “bottle cap”, b-cap implies something is subpar or not of the best quality; imperfect. It evolved through localised slang before spreading further across the world.

It can also be used as a cleaner way of saying “bs” or “bullshit”

The book I just read was so b-cap!

Leffa

Cool; typically used in a satirical or humorous manner.

He’s quite the leffa!

Skepto

A slang term for someone who is clueless or stupid in a topic or just in general.

Person A: Hey! I just saw Person C run into a pole!
Person B: Well duh, why wouldn’t a skepto like that do something stupid.
Person C: Ow i’m in agony call an ambulance.