This.
Thanks for another new abbreviation, but 'perorist' ペロリスト comes from ペロペロ (peropero), the onomatopoeia for licking and the suffix '-ist'. So, its more accurately a 'licker' or 'lickorist' in this context...
Its my fault, I should have write 'lickorist' instead of 'perorist', I will...