the seventh day of the month / seven days

何奴: which one, who

何が何でも: at all costs, whatever it takes

(informal, humorous) A phrase used to feign ignorance to the existence of a concept.

"to end as a fruitless blossom": to end without bearing fruit (results)

each person

what

what / that thing (used in place of words you can't remember at the moment.)

nothing, none (used with things)

masturbation (manual erotic stimulation of the genitals)