Green’s Dictionary of Slang

1. afraid.

1985

R. Frede Nurses 240: I get scared. For both of you. I get fucking ripshit [...] I get so scared.

2. angry.

1984		K. Hartnett Saving Grace 171: The only thing we have to worry about is that Connie will get so ripshit he'll queer the deal.
1997–2000		College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Rip shit (adj.) Very angry.
2004		P. Thompson Terror Timeline n.p.: I remember people at the CIA who were ripshit at the time.