They lose their PURPOSE.
They go back to fighting each other.
Game of Thrones Season 4, Episode 9
which means he's
out of tune on PURPOSE.
The Big Bang Theory Season 5, Episode 17
Wait, so you were making your
hair look like that on PURPOSE?
The Big Bang Theory Season 11, Episode 10
It-it-it means he did it
on PURPOSE.
The Big Bang Theory Season 11, Episode 14
When I gathered my lords
together, we had a PURPOSE, a mission.
Game of Thrones Season 3, Episode 5