blow down

present singular third person blows down · participle present blowing down · past blew down · participle past blown down

1. transitiveTo knock over with an air current, most often wind.

   I'll huff and I'll puff and I'll blow your house down.

   2 more examples

   Part of the shed was recently blown down in a gale and has been removed, leaving rather inadequate accommodation.

   1951 June, “Notes and News: Eskdale Railway Rolling Stock”, in Railway Magazine, page 424

   A tree had been blown down on the track east of Chippenham. Bath Spa station became a scene of milling confusion. One minute we were told that trains were running. Then they weren't. Then they were again. Not a sound basis on which to try rejigging a business trip.

   2020 June 3, Andrew Mourant, “A safer railway in a greener habitat”, in RAIL, page 58

2. transitivebusinessTo clean off from top to bottom with an air current from a compressed air hose.

   Blow down this enclosure and do some chip handling before you run this machine any further.

3. broadcastingSynonym of dirty down.

   Synonyms: dirty down

4. USdatedslangtransitiveTo kill (someone) with a gun.
5. USdatedslangtransitiveTo signal to someone by blowing into a whistle.