1manage to obtain (something) by using persuasion or guile:they blagged two free tickets to France
manage to obtain (private or confidential information) by impersonation or another method of deception:they were often able to hack phones because they had blagged phone numbers and passwords (as noun blagging)blagging is an offence under the Data Protection Act
2steal (something) in a violent robbery or raid:I could lie in wait and blag her fur coat
1an act of using persuasion or guile to obtain something:raising the £6.5 million had been either a heroic achievement by selfless, dedicated humanitarians or the blag of the century
2a violent robbery or raid.
late 19th century: perhaps from French blaguer 'tell lies'