What is the X in X-mas?
by 1938, popular form of Chevrolet, U.S. automobile brand, which was founded by Louis Chevrolet and William Durant in 1911; acquired by General Motors in 1917.
A Chevrolet car (1930+)
To harry and annoy; badger; bug, hassle
[1821+; perhaps fr Chevy Chase, site of a skirmish between the English and the Scots, which came to mean ''a running pursuit'' in Yorkshire dialect; chivy came to mean ''pursue'']