Knock yourself out.
Breaking Bad Season 3, Episode 10
Knock on it twice, then twice again.
Game of Thrones Season 4, Episode 10
(KNOCK ON DOOR)
The Big Bang Theory Season 6, Episode 18
- Okay?
- You KNOCK your way, I'll KNOCK mine.
Breaking Bad Season 3, Episode 12
-(KNOCK ON DOOR)
- RAJ: (awe-some) Hello,
The Big Bang Theory Season 10, Episode 11