From Longman Dictionary of Contemporary Englishburn something ↔ off phrasal verb1 BURNto remove something by burning it You can use a blowlamp to burn off the old paint.2 EXERCISEto use energy that is stored in your body by doing physical exercise I decided to go for a run to try and burn off a few calories. → burn→ See Verb table
Examples from the Corpus
burn off• Logistical difficulties, combined with environmental concerns, rule out the prospect of burning it off.• The plastic is removed by burning it off, a process that creates a haze of toxic smoke.• People take malicious pleasure in cutting in on them and burning them off at traffic lights.• The best and longest-lasting tans are acquired slowly - quick tans are usually fast burns and peel off in a trice.• If you have excess fat you will burn it off quicker. 