sentences:  In WW2 it was used without any slur, to refer to soldiers of Welsh origin, just as other regional slang names like Geordie, Scouse or Jock were used.Similarly a Welsh teacher in an English school might be referred to as "Taffy (surname)".However, the suggestion of a slur remains in the fact that Welsh people would very rarely refer to themselves as "A Taff", whereas, for example, Geordies might use that name for themselves.