Definition of cakeage in English:

cakeage

Pronunciation /ˈkākij/ /ˈkeɪkɪdʒ/

noun

informal
  • A charge made by a restaurant for serving a cake that they have not supplied themselves.

    ‘they told me I was welcome to bring a birthday cake and there would be no cakeage’
    as modifier ‘the standard cakeage rate in Melbourne was $3.50 a head’

Origin

1990s (originally Australian): from cake + -age, on the pattern of corkage.

Pronunciation

cakeage

/ˈkākij/ /ˈkeɪkɪdʒ/