I'll use that one to LIGHTEN the mood
after my entire class fails the midterm.
The Big Bang Theory Season 8, Episode 2
I'm just... I'm trying
to LIGHTEN the mood.
The Big Bang Theory Season 7, Episode 17
I was trying
to LIGHTEN the mood.
The Big Bang Theory Season 12, Episode 10
That's a joke, Brandon.
Lighten up.
Breaking Bad Season 2, Episode 8
He entrusts some small matters to us
that we might LIGHTEN the load.
Game of Thrones Season 1, Episode 3