chipmunk

To speed up (an audio recording, especially a song), to make the voices high-pitched.

To fill (one's mouth or cheeks) with food.

To stuff (food) into one's mouth or cheeks, sometimes as part of competitive eating.

Any of certain the small, striped rodents, all found in North America, with the exception of the Siberian chipmunk, placed in the taxonomic subtribe Tamiina.