TINKER

[noun] [U](UK) I'll just have a tinker with the television (= make some changes to it to try to repair it) and see if I can get it to work.A tinker is also a person who travels from place to place, esp. in the past, repairing pans or other metal containers.If you say that you don't give a tinker's (cuss/damn) about something, you mean that it isn't important to you.I couldn't give a tinker's damn about what they think.He's been punished many times, but he never gives a tinker's.