Description:

The term 'jymjym' was borrowed from English and is believed to have become globalised in Common in the modern period through product advertising. There is a brand of packaged, single-serve treats called ''Yum-Yum' that are a possible origin. The term refers to any tasty treat, usual sweet and single-serve, like a candy or cookie. Sone popular words for treats, like 'ruk jymjym'  or 'flat treat' for cookie, are derived from it.

The modifier form, 'jymys', is irregular.