Let's say for instance you're in a store, you go to the meat section and ask for 'Angel Ground Beef' this could mean this person may just be in trouble, such as an abusive partner, just like an 'Angel Shot' it's a call for assistance.
~ Angel Ground Beef in a scenario~
Customer: Hi, can i please get some angel ground beef?
Store Clerk: *whispers* Who?
Customer: The guy in the white shirt with the skull on it...
Store Clerk: Let me get my manager, to check if we have in stock
Customer: Ok
Partner: Whats taking so long!?
Customer: They went to see if they had it
Manager: Hi, ma'am can i please accompany you to where it is.
Customer: Sure.