glance off (something) phrasal verb ( see also ↑ glance )
1 . to hit a surface at an angle and then move away from it in another direction SYN ricochet :
The bullet had crushed his helmet and glanced off.
2 . literary if light glances off a surface, it flashes or shines back from it SYN reflect off :
The sun was glancing off the icy tips of gleaming rock.