Thank you for carving a SMILEY face
in my sandwich.
The Big Bang Theory Season 3, Episode 1
"LOL. Smiley face."
The Big Bang Theory Season 7, Episode 19
of a SMILEY face sticker
on your homework.
The Big Bang Theory Season 5, Episode 11
And then there's an animated SMILEY face
raising the roof like this...
The Big Bang Theory Season 9, Episode 10
If you want to talk more, I'm always available."
Smiley face, SMILEY face.
The Big Bang Theory Season 6, Episode 8