noun
Slang term for one's own husband, used mainly by women in casual, often slightly rough or jocular speech. Not used to refer to someone else's husband.
うちのだんつくは今日も遅いよ。
My old man is late again today.
Common informal term for husband, less rough than だんつく. だんつく is derived from 旦那 by contraction and suffixation.
Likely a contraction of 旦那 (だんな, 'husband') with the suffix つく, giving a rough, familiar tone. The kanji spelling 旦つく is ateji and rarely used.