blow off

Verb

blow off (third-person singular simple present blows off, present participle blowing off, simple past blew off, past participle blown off)

1. Used other than figuratively or idiomatically: see blow, off.
   • She blew the dust off the cookbook, revealing its full title.
   • 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...1944 May and June, “The Why and the Wherefore: Locomotive Soot Blowers”, in Railway Magazine, page 194
2. (transitive) To vent, usually, to reduce pressure in a container.
   • The radioactivity was released when they blew off steam from the containment vessel.
3. (intransitive, transitive) To let steam escape through a passage provided for the purpose.
   • The engine or steamer is blowing off.
   • What's the best way to blow off and clean a boiler?
4. (transitive) To shirk or disregard (a duty or person).
   • I decided to blow off the meeting and leave early.
   • We've both been blowing off Peter all day: he's really boring.

   Synonyms:

   dick around

   1. (transitive) To abandon (someone) as the last stage of a scam.
   2. (transitive) To reject or shut down someone's sexual advances or other offers (e.g. a job offer).
5. (transitive) To forcibly disconnect something by use of a firearm or explosive device.
   • Her leg was blown off by a landmine.
6. (transitive) To force to leave a course.
   • The storm blew the ship off course.
   • 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
7. (slang, transitive) To perform oral sex on (someone); to give a blowjob to or suck off (someone).
8. (dated, slang, transitive) To buy food or drink for (someone); to treat (someone).
   • I'll blow you off to dinner.
   • I guess the Duchess goes where it’s cheapest, unless she can get her meal paid for. If you offered to blow her off at the Terrasse she’d turn up fast enough.1905, Edith Wharton, chapter 1, in The House of Mirth, book 2
9. (slang, transitive) To use up or spend (something).
   • He blew off his inheritance on partying.
10. (slang, transitive) To cause (a body part etc.) to detach by shooting it with a firearm.
    • The gangster blew off the sheriff's head.
11. (Australia, UK, intransitive, slang) Synonym of fart.
    • I can't believe I blew off in church.

    Synonyms:

    badger, break ass, break wind, bust ass, crepitate, curmur, cut one, cut one loose, cut the cheese, drop a bomb