If they don't deliver the parts we need, we'll really be 'up a gum tree'! [='up the creek']
The new regulations have really 'gummed up the works' in the office.
Don't use that paper with the copier; you'll 'gum' it 'up'.
(..) - At least wait till I get into the hall. Okay, well, good night. Hold on. What happened with you and Lalita? We ate, she lectured me on the link between gum disease and heart attacks... ...nothing I didn't already know, and I came home. So you're not gonna see her again? Why would I see her again? (..)2007 TvShow: The Big Bang Theory Title: The Grasshopper Experiment Season: 1 Episode 8