dipsy-do
n.—Gloss: another way of saying “an up and down (motion or change).” Note: The Dictionary of American Regional English has a similar term, “dipsy-doodle”, which is defined as dip in the road, or a “thank-you-ma’am.” «Since he started as a realtor in 1971, Love has weathered the highs and lows (or, as he calls them, “dipsy-dos”) of Burnaby’s housing market.» —“Realtor sells bungalow five times” by Brooke Larsen Burnaby Now (Canada) Oct. 3, 2007. (source: Double-Tongued Dictionary)
Further reading
She sells seashells by the seashore. Who is the she in this tongue twister? Some claim it’s the young Mary Anning, who went on to become a famous 19th-century British paleontologist. Dubious perhaps, but the story of her rise from seaside...
Ribbon fall. Gallery forest. You won’t find terms like these in most dictionaries, but they and hundreds like them are discussed by famous writers in the book Home Ground: A Guide to the American Landscape. The book is an intriguing collection...