Feck has quite a number of meanings. One is to steal (see KatL, above), in print by 1809.
Others- "This is the feck of our intent- from 1500. Also efficiency, energy, power, the greater part of something, one of the stomachs of a ruminant. All of these are English, Scottish or obsolete.
I have heard the Irish use it, (Feck it!), say, when you drop a brick on your toe, i. e., Oh Fuck! or Shit! Definitely not American, where Darn is the preferred expletive.