From Longman Dictionary of Contemporary Englishblow somebody/something ↔ off phrasal verb American English informal1 UNIMPORTANTto treat someone or something as unimportant, for example by not meeting someone or not going to an event Bud got into trouble for blowing off the meeting.2 blow the lid off something to make known something that was secret, especially something involving important or famous people Her book blew the lid off the Reagan years.3 blow somebody’s head off to kill someone by shooting them in the head4 blow off steam American English to get rid of anger or energy by doing something SYN let off steam British English I went jogging to blow off some steam. → blow→ See Verb table
Examples from the Corpus
blow off• It would take some wind to blow me off.• They blow the arbitrations, or blow them off.• You gave instructions that I would be the one to blow the lid off.• Some one should dig it out from the carpet under which it was brushed and blow the dust off it.• I took the cliff road and the wind could be so fierce that it blew me off my bike more than once.• The way she blew him off, ran out of the car, like she was deserting him to his life.• The force of the blast blew the roof off the white taxi van and shattered the windscreens of passing vehicles.• Lit came on the east stage and blew the top off Woodstock.blow the lid off something• You gave instructions that I would be the one to blow the lid off.• Her book has blown the lid off the Reagan years.blow somebody’s head off• Depressed, he blows his head off.• He held a loaded air pistol to her stepfather's neck and threatened to blow his head off.• If I ever get you alone, I am going to blow your head off.• It would come in a box and it would blow your head off.• She also told the court that he'd heard he'd threatened to blow his head off.• Then he saw himself tripping over the gun and blowing his head off.blow off steam• I went jogging to blow off some steam.• She just needed to blow off steam.• You got upset, blew off steam.• Jody lets her blow off steam first. 