What you heard is the magic bell. The Dingwell bell. So exit, stage left.
8 seconds sound clip from the Yogi's First Christmas (1980) movie soundboard.
You can hear this line at 00:21:54 in the Blu-ray version of the movie.
Quote context
[...]
- Every time I turn around, Yogi is doing a slumber number.
- I know how to wake him, Snag. Now just stand back.
- Hey, hey, hey. Come one, come all. We are giving away free picnic baskets.
- Hey, hey, hey. Did I hear the magic words? Yum, yum, yum, yum, yummie.
- What you heard is the magic bell. The Dingwell bell. So exit, stage left.
- You keep sleeping on the job, Yog, you won't make it through Christmas.
- Hey, hey, hey, save a slice of Christmas cake because Yogi Bear is wide awake.
- Here I am, Mr. Ding-A-Ling, sir. Yogi Bell-bear at your service.
- Well, about time. Take this paper into my office and read it over the loudspeaker.
[...]