suduha (सुदुह): Easy to be milked.
Definition likely taken from this page.Meippai (めいっぱい) [2] [name, adjectival noun]:
Filled to the maximum limit. Can also be used an adverb.
Also, Mei's breasts.
T/N: "Meipai" (メイぱい) is more common than "Meippai" (メイっぱい).