What is the meaning of Danna?

Human feces.

Alternative form of dunny: an outhouse; a toilet.

tomorrow

inflection of dannare:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

Rōmaji transcription of だんな

inflection of danne:

1. simple past
2. past participle

simple past

past participle

Source: wiktionary.org