Jaccamass
A jaccamass is when a black person takes a regular word and turns it into a curse so strong it could make a saint swear at a priest.
My friend is a jaccamass. He said he was going to be president when he's 10 years old.
My dad called me a jaccamass for not cleaning my room.
That guy on the bus was a jaccamass. He talked about his phone for an hour.