What is another word for grass up?
Pronunciation: [ɡɹˈas ˈʌp] (IPA) 
The phrase "grass up" is commonly used to describe informing on someone, particularly to the authorities. However, there are a number of different phrasal verbs and synonyms that can be used to convey a similar meaning. Some examples include "dob in" (common in Australia and New Zealand), "rat out," "snitch on," "turn in," "squeal on," and "tattle on." All of these phrases describe the act of revealing information that could get someone else in trouble. It's important to note that while these phrases are sometimes used jokingly, they can have serious consequences and should not be taken lightly.
