whale tail
n.— «Another distraction occurs when pants ride low in the back and expose thong underwear, a phenomenon students have dubbed “whales’ tails.” “If you a 16-year-old boy in an English class, and you’ve got three whales’ tails in front of you, it’s pretty hard to concentrate on verbs,”» —“Updated Dress Code Addresses New Styles” by Tom Quinn Oregonian (Portland) June 24, 2004. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...