Definition of "blow off"

blow off

verb
third-person singular simple present blows off, present participle blowing off, simple past blew off, past participle blown off
1. (transitive) To vent, usually, to reduce pressure in a container.
2. (intransitive) To let steam escape through a passage provided for the purpose.
  Quotations
  The 1 in 200 climb to Survilliers was surmounted with easy competence, the constant speed being just short of 60 m.p.h., the water level (by design) just under half a glass and the steam pressure approximately 275 lb/sq in, or near the blowing-off point.
  1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 146
3. (intransitive, euphemistic, UK, Aus) To pass gas; to break wind, to fart.
4. (idiomatic) To shirk or disregard (a duty or person).
5. (transitive) To forcibly disconnect something by use of a firearm or explosive device.
6. (transitive) To remove something by blowing on it.
  Quotations
  In order to deal with deposits of soot on boiler-tubes while running, especially if poor coal is in use, locomotives are often now provided with blowers on the firebox back-plate which can be made to discharge a jet of high pressure steam towards the firebox tubeplates; this has the effect of loosening and blowing off the soot deposits.
  1944 May and June, “The Why and the Wherefore: Locomotive Soot Blowers”, in Railway Magazine, page 194
7. To force to leave a course.
  Quotations
  This occurred on September 11, 1880, when a mixed train was blown off the track during a severe gale, and three passengers were killed.
  1950 August, “The Rimutaka Incline and Deviation, New Zealand”, in Railway Magazine, page 547

Definition of "blow off"

blow off

verb

Quotations

Quotations

Quotations