一週間メシ抜きだよ。

一週間めし抜きだよ。

I went without food for a week.

一(いち)週間(しゅうかん)メシ抜(ぬ)きだよ。

Ichi shūkan meshi nuki da yo.

一 (いち)

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

週間 (しゅうかん)

week; weekly

飯 (めし)

cooked rice; meal; food; one's livelihood

抜き (ぬき)

without; not including; dispensed with; (beating) in succession

だ (だ)

be; is; indicates past or completed action; indicates light imperative

よ (よ)

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!

Readings: イチ、イツ、ひと-、ひと.つ

Meanings: one, one radical (no.1)

Reading: シュウ

Meaning: week

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: バツ、ハツ、ハイ、ぬ.く、 -ぬ.く、ぬ.き、ぬ.ける、ぬ.かす、ぬ.かる

Meanings: slip out, extract, pull out, pilfer, quote, remove, omit