Definition from Wiktionary, the free dictionary
there she blows
- (nautical) The traditional hail of the lookout in a whaler when sighting the spouting water thrown up by a whale surfacing.
- 1851, Herman Melville, Moby Dick, ch. 47:
- "There she blows! there! there! there! she blows! she blows!"
- "On the lee-beam, about two miles off! a school of them!"