Torokk could back up to keep the thing at the end of his glaive; but then he'd be fighting around his allies - an awkward proposition! He's not the sharpest nail in the plank by any means, but his tactical acumen is at least passable, and he lets go of his glaive to smash the spider with a spiked gauntlet with the same downward power with which he had chopped with the glaive just a moment ago.

Spoiler: OOC
Show
Attack roll: (1d20+6)[22]
Damage: (1d4+5)[7] plus (1d6)[2]