Why would I make that up?
There's no Ding Dong in it.
The Big Bang Theory Season 1, Episode 12
Though we did DING up the back pretty
good with the crib,
The Big Bang Theory Season 10, Episode 6
"rama lama lama ke DING
a de DINGa a dong."
The Big Bang Theory Season 5, Episode 17
One DING.
Breaking Bad Season 2, Episode 2
♪ Ring, DING, dong ♪
Breaking Bad Season 4, Episode 2