open up shop
Verb.1. To commence an undertaking.2. To beat the crap out of someone.3. To fuck wildly.4. To turn the tables during an Ultimate Frisbee game.open up a butcher shop
When two people are going to have a disagreement. As in, "there's enough beef between us to open up a butcher shop".
Example:
Mike: Oh shit, Bobby stole Jimmy's girl.
Dan: Those guys are going to open up a butcher shop.
Mike: Oh shit, Bobby stole Jimmy's girl.
Dan: Those guys are going to open up a butcher shop.