how emotionally MATURE you are,
didn't you?
The Big Bang Theory Season 11, Episode 15
That's very MATURE of you.
The Big Bang Theory Season 9, Episode 13
and that stands for
"MATURE audiences," buster.
The Big Bang Theory Season 9, Episode 21
Adults in a MATURE relationship.
The Big Bang Theory Season 8, Episode 6
Very MATURE.
You're lucky I'm out of Silly String.
The Big Bang Theory Season 6, Episode 22