tinker

Universal Words noun, verb noun (in the past) a person who travelled from place to place, selling or repairing things IDIOMS not give a tinker's cuss (BrE) (AmE not give a tinker's damn) (slang) to not care about sth at all verb [V] ~ (with sth) to make small changes to sth in order to repair or improve it, especially in a way that may not be helpful: He's in the garage tinkering with his bike. * The password will prevent others from tinkering with your data. * The government is merely tinkering at the edges of a much wider problem.