Adverbial phrase:
1) to intimidate someone with the intent to discourage them from a certain action or behavior
2) to purposefully inflict bodily harm on someone you disagree with the intent of showing how superior or right you are.
Fuck, you it's January. is term used to commentate on the fact that a lot of shitty movies typically come out on January as way to just get them out of the way. It's like Hollywood taking a big shit at the start of the year to just get it done. Term was coined by Redlettermedia.