blow off

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blow off (someone or something)

1. (intransitive, euphemistic, Britain) To pass gas; to break wind.
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) To let steam escape through a passage provided for the purpose.

   The engine or steamer is blowing off.

4. (idiomatic) 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.

5. (transitive) To forcibly disconnect something by use of a firearm or explosive device.

   Her leg was blown off by a landmine.

• (pass gas): break wind, fart; see also Thesaurus:flatulate

• blow off steam

• bowl-off