
Not yours, mine, you punk-ass ELF.
The Big Bang Theory Season 6, Episode 6

Keebler ELF?
I got a Keebler ELF right here.
The Big Bang Theory Season 1, Episode 16

Keebler ELF?
I got a Keebler ELF right here.
The Big Bang Theory Season 1, Episode 16

No, it's too late. I see it.
That ELF sticker says "To Sheldon."
The Big Bang Theory Season 2, Episode 11

He takes the ELF from off the shELF.
The Big Bang Theory Season 4, Episode 23