From Longman Dictionary of Contemporary Englishnot touch somethingnot touch somethinga) to not eat or drink something What’s wrong? You’ve hardly touched your food. My grandfather was an alcoholic but I never touch the stuff (=never drink alcohol). b) to not deal with something that you should deal with I brought home loads of work, but I haven’t touched any of it yet. → touch
Examples from the Corpus
not touch something• There's stack of mail on his desk that hasn't been touched.• What's wrong? You've haven't touched your dinner.• Curt doesn't let anyone touch his golf clubs. 