From Longman Dictionary of Contemporary EnglishCanuckCa‧nuck /kəˈnʌk/ noun [countable] American English informal  a Canadian
                                                    
                                                Examples from the Corpus
Canuck• Earl Daugherty led off the stunting in a Canuck.• He beat Billington top shelf and the Canucks were rolling.• Paul that the Canucks are moving!• She had never soloed, but when she finished, she took the Canuck up for a trial spin.• Yes, sir, the vicious Canuck will not rest until the Republic is lying in its own blood and gore!Origin Canuck (1800-1900) Probably from Canadian 
