TV series example of the word

The Big Bang Theory Season 3, Episode 1
Thank you for carving a smiley face in my sandwich.

The Big Bang Theory Season 9, Episode 10
And then there's an animated smiley face raising the roof like this...

The Big Bang Theory Season 5, Episode 11
of a smiley face sticker on your homework.

The Big Bang Theory Season 6, Episode 8
If you want to talk more, I'm always available." Smiley face, smiley face.

The Big Bang Theory Season 7, Episode 19
"LOL. Smiley face."