Magners argued that the term feck had been in usage since the 1800s and, in Ireland, the term was used in informal, everyday colloquial conversation with different meanings. They said it could be used to mean “to steal”, “to throw” or “to leave hastily”.

Adjudication: Wm Magners Ltd (Advertising Standards Authority, UK)

I can’t even begin to elaborate…

Edit: Hello Mulley Readers! I’ve been Fluffied again…