Shrug face

The face you send to someone when you don't know or don't give a damn. Consists of 11 characters; some of them are Japanese.

When unsure:
Person 1: Where are my keys?
Person 2: ¯\_(ツ)_/¯ (shrug face)

When being rude:
Person 1: My boyfriend just broke up with me!
Person 2: ¯\_(ツ)_/¯
Person 1: Rude.