:
1. To set up: to organize
E. g. He has set everything up for the weekend! Everyone's invited!
2. To throw a party: to have a party
E. g. They're throwing a party to introduce their nephew to the neighbors.
3. To dig in: to start to eat
E. g. As soon as all the friends arrived at the party, we couldn't stop looking at the food and we started digging in!
4. To put off: to postpone/to delay
E. g. They put off the party for tomorrow.
5. To point out: to show
E. g. She pointed out her crush at the party.
6. To talk over: to discuss
E. g. We can talk over this, after we leave the party.
7. To chat up: to talk to with romantic interest
E. g. We started to chat up over a glass of wine.