zipper
n.— «A bill in the Florida Legislature died that targeted those motorists who speed up beside you, then cut you off when their lane ends. The offending drivers are commonly referred to as “zippers.”» —“Florida bill targeting lane ’zippers’ dies” Land Line Magazine (Grain Valley, Missouri) May 21, 2007. (source: Double-Tongued Dictionary)
Further reading
Imagine telling someone how to get to your home, but without using the name of your street, or any other street within ten miles. Could you do it? We take street names for granted, but these words are useful for far more, like applying for a job or...
Debbie from Crawfordsville, Florida, says that when she and her husband reach an impasse while working on something, they’ll say Let’s grok about it, which they use to mean “Let’s think about it.” Grok was coined by...