Rhombus

(adverb) To be truthful, honest, or sincere.
Can also be used as "Rhombusly", to mean honestly, truthfully, or honestly.

"Rhombusly, this party is boring I'm about to leave."
"To be completely rhombus, I cheated on my girlfriend with a man."

Brast

(adj.) To be very wild, crazy, or just generally off the rails.

“Did you just do cocaine? That’s pretty brast of you.”
“Holy shit, this concert is brast!”