Meanings
Northern-Germany · colloquial · regionalA bit, a tad, a degree, a level (in the context of “more” and “less”)
Kannste die Heizung ’n Tacken aufdrehen?Could you turn the heating up a bit?
Northern-Germany · colloquial · regionalquid, bucks (a term for money)
Dat kost’ 20 Tacken.That's 20 quid.