Wiktionary
vb. 1 (context intransitive English) To begin moving away. 2 (context transitive English) To intercept. 3 (context transitive English) To avoid some usually negative consequence.
WordNet
Wikipedia
Head Off is the seventh and last album released by the Swedish rock band The Hellacopters. The album consist of cover songs from acts that the band felt that everyone should know about and listen to. The 2500 units of the vinyl release all come with a poster, an additional 1500 units were later pressed which also contained the poster. A special CD box was also available in a limited run of 6000 copies worldwide and consists of a special CD that contains all of the music on one side that can be played as a regular CD, on the other side the bonus track "Straight Until Morning" can be played on a record player. The box also contains a special pin and patch as well.
Usage examples of "head off".
You'll assume that I wrote this letter in advance, perhaps not yet sure that I would squeeze the shotgun between my knees, then balance a ruler against the trigger, pressing downward with a surprisingly steady hand until the hammer fell, the powder exploded, and a tumult of small shot at close range blew my head off, embedding brain, bone, skin, and a few carbonized strands of hair in the ceiling and wall behind me.
He grabbed the guy by the shoulders and dragged him the rest of the way to the railing, keeping his head off the pavement at least.
Jake had killed one of them, blowing its head off with his pistol.
Please fill this paper sack with thirty thousand dollars in used tens and twenties and fifties or I'll be forced to blow your stupid head off.
The engineer of the last one was a big, white-haired guy who was laughing his head off as he flashed past.
Even her half-brother, looking as if he was about to tear someone's head off, was welcome.
Without him there would be no trouble, for the strikers are willing to remain out peacefully and indefinitely so long as other men are not in their places, and so long as the particular aggregation of capital with which they are fighting is eating its head off in enforced idleness.