swing around

US /swɪŋ əˈraʊnd/
UK /swɪŋ əˈraʊnd/
"swing around" picture
1.

to turn quickly to face the opposite direction

:
The car suddenly swung around and headed back the way it came.
He swung around in his chair to face the door.
2.

to change direction or opinion suddenly

:
The public opinion began to swing around after the new evidence emerged.
His mood can swing around very quickly.