"Noggin" means a person's head. Example: Use your noggin!
Tour: bellaMUMMA editor Nikki Yazxhi's gorgeous Sydney home. Photography by Maree Homer. Styling by Stephanie Powell. From the February 2018 issue of Inside Out Magazine. Available from newsagents, Zinio, https://au.zinio.com/magazine/Inside-Out-/pr-500646627/cat-cat1680012#/ and Nook.
“Between a rock and a hard place” means “to make a difficult decision between two things that are equally unpleasant”. Example: I’m between a rock and a hard place. If I go with Susie, it’ll be much more expensive and if I go with Julie, Susie won’t.