when one is not only snitching, but also fishing for gossip
“Grandma told me you were going to be drinking this weekend!”
“I told her I wasn’t going to be drinking! She must be snitch-fishing!”
Adverb.
An action in which the outcome of a situation could've been disasterous but ended up being badass. Can also be used as a verb.
Verb.
Man, I almost hit that dog on the road but ended up fish snitching the neighbors kid instead!
Adverb.
Look at that douchebag chatting up those high shool girls. He's up to some fish snitchery.