break the ice
Definition from Wiktionary, the free dictionary
By application of the metaphor that strangers are socially separated by ice.
- Used other than as an idiom: see break, the, ice.
- (idiomatic) To start to get to know people to avoid social awkwardness and formality.
- Including a few fun details in large group introductions can be a great way to break the ice.
- (idiomatic) To introduce conversation.
- To surmount initial difficulties; to overcome obstacles and make a beginning.
to start to get to know people, by avoiding awkwardness