(idiomatic) Very violent or hard.
Example: 2009 May 28, Penelope Green, â€œJersey Girls, Nestingâ€, New York Times:
Indeed, when baby-voiced Teresa describes the bone-crunching finishes in her new home, a 12,000-square-foot French chateau simulacrum thatâ€™s â€œall granite, marble and onyx,â€ and avers her commitment to the brand-spanking new (â€œI just skeeve looking at other peopleâ€™s houses,â€ she says.
2009 November 27, â€œJimi Hendrix's Voodoo Child has 'best guitar riff'â€, BBC:
The bone-crunching AC/DC classic Back In Black landed at number six, followed by Metallica's Enter Sandman and the chiming riff of The Beatles' Day Tripper at eight.
2011â€Ž April 2, Steve Brenner, â€œJoey will defy pack of Wolvesâ€, The Sun:
Back in August, the Toon ace was kicked from pillar to post by Karl Henry in a bone-crunching midfield battle at Molineux.