Definition of 'tug/touch one's forelock'
If you say that a person tugs their forelock to another person, you are criticizing them for showing too much respect to the second person or being unnecessarily worried about their opinions.
What does pulling forelock mean?
(intransitive, often satirical or contemptuous) To show deference or obsequious respect.
What is your forelock?
Note: A forelock is a lock of hair that falls over a person's forehead. In the past, it was customary for lower class people to remove their hats in front of upper class people.