As a noun pompom is
(onomatopoeia) a decorative ball made of pieces of soft fabric bound at the centre, most notably used in cheerleading.
ponpon
Not English
Ponpon has no English definition. It may be misspelled.
pompom
English
Alternative forms
* pom pom
* pom-pom
Noun
(
en noun)
(onomatopoeia) A decorative ball made of pieces of soft fabric bound at the centre, most notably used in cheerleading