full Scottish breakfast noun2 •A breakfast of kippers and porridge, sometimes including other Scottish foods such as oatcakes and haggis.When we were not lazily enjoying a daintily served Continental breakfast in our room we were tucking into a full Scottish breakfast - porridge, oatcakes and the delicate Loch Fyne kippers. — 1976 •A full breakfast fry up including distinctively Scottish ingredients such as Lorne sausage and haggis. formsfull Scottish breakfasts