
You know, tears of joy,
SMILE of sadness.
The Big Bang Theory Season 4, Episode 20

I go ahead and SMILE
The Big Bang Theory Season 1, Episode 1

Wipe that smug SMILE off your face.
The Big Bang Theory Season 9, Episode 9

Smile.
The Big Bang Theory Season 11, Episode 16

Tell me you don't see her SMILE
The Big Bang Theory Season 7, Episode 1