“We're trying to come to a consensus on where to go for drinks.”
It's Friday evening, and you arrive at your friend's apartment. You have plans to go out. Your friend explains that the group is discussing what bar to go to.
We're trying to come to a consensus on where to go for drinks.
When a group of people "come to a consensus" it means that they agree on something like a decision or a conclusion:
A: Have you come to a consensus yet?
B: No, we're still trying to decide.
You can indicate what you're trying to agree on with the phrase "come to a consensus on ___":
I think we've finally come to a consensus on our team's name.
The phrase "go for drinks" means to go out to a bar or restaurant to drink alcohol.
I was wondering... would you like to go for drinks sometime?
You can also talk about where you're going to go like this:
We went to Smitty's Ale House for drinks last Friday.