昼飯の時間 time for lunch

昼飯までもたないよ I can't hold out till lunch

昼飯時に at lunchtime

昼飯食って,コーヒー飲んで,たばこ買って~,駄目だ!一日千円の小遣いじゃ全然足りないよォ Eating lunch, drinking coffee, and buying some cigarettes... Oh, my gosh. I can't get along on one thousand yen a day.