blow off
verb- Used other than figuratively or idiomatically: see blow, off. · She blew the dust off the cookbook, revealing its full title.
- To vent, usually, to reduce pressure in a container. · The radioactivity was released when they blew off steam from the containment vessel.
- 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?
- 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.
- To abandon (someone) as the last stage of a scam.
- To reject or shut down someone's sexual advances or other offers (e.g. a job offer).
- To forcibly disconnect something by use of a firearm or explosive device. · Her leg was blown off by a landmine.
- To force to leave a course. · The storm blew the ship off course.
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