The blasphemy runner mentioned is the "Lord Jesus Christ", a man to be admired and made one's model [Lord]; upon whose birth we date our calander. He lived years 0 AD to 33 AD and his life and action revealed the righteous nature and character of God who is spirit.

Using his name as a term of derision indicates the persons rejrction of his character and life and its meaning - they have partaken in putting him to death.