飽食終日

to spend the whole day eating (i.e. not doing any work)

to eat till full / satisfied

to eat / food / animal feed / eclipse

to feed (a person or animal)

end / finish

all day long

abbr. for 日本[Ri4 ben3], Japan

sun / day / date, day of the month

to eat three square meals a day and do no work (idiom) / to be sated with food and remain idle