From Longman Dictionary of Contemporary EnglishSassenachSas‧se‧nach /ˈsæsənæk/ noun [countable] SANan English person – used by Scottish people in a humorous way or to show disapproval
Examples from the Corpus
Sassenach• Another try at the corner of Sassenach was made by Jimmy Marshall in 1953, again from the Centurion groove.• Alas, his selection would require an improbable U-turn on the part of the Sassenach segment of the selectors. 