rackarns betyder på engelska

darn▼interjection
[UK: dɑːn] [US: ˈdɑːrn]

drat▼(cry of anger or frustration)
interjection
[UK: dræt] [US: dræt]

ruddy [ruddier, ruddiest]▼(a mild intensifier)
adjective
[UK: ˈrʌ.di] [US: ˈrʌ.di]