Definitions
1.VerbTo remove something by blowing on it."She blew the dust off the cookbook, revealing its full title."
2.VerbTo vent, usually, to reduce pressure in a container."The radioactivity was released when they blew off steam from the containment vessel."
3.VerbTo let steam escape through a passage provided for the purpose."The engine or steamer is blowing off."
4.VerbSynonym of fart."I can't believe I blew off in church.; (Can we add an example for this sense?)"
5.VerbTo 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."
6.VerbTo abandon (someone) as the last stage of a scam.
7.VerbTo reject or shut down someone's sexual advances or other offers (e.g. a job offer).
8.VerbTo forcibly disconnect something by use of a firearm or explosive device."Her leg was blown off by a landmine."
9.VerbTo force to leave a course."The storm blew the ship off course."
10.VerbTo perform oral sex on (someone); to give a blowjob to or suck off (someone).
11.VerbTo buy food or drink for (someone); to treat (someone)."I'll blow you off to dinner."
12.VerbTo use up or spend (something)."He blew off his inheritance on partying."
13.VerbTo cause (a body part etc.) to detach by shooting it with a firearm."The gangster blew off the sheriff's head."