from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To remain afloat in the water without use of any buoyancy aid, by using kicking motions and hand motions.
- v. To make no progress, expending effort just enough to maintain a stable position.
Sorry, no etymologies found.
If I go overboard, I’ll try like a maniac to tread water while holding the notebook-and-binoculars packet above my head.