1 Verbs to Use for the Word crumps

I loved the trade; Far other is this battle in the waste, Wherein, each night, though not of course afraid, I wriggle round with ill-concealed distaste, Where who can say what menace is not nigh, What ambushed foe, what unexploded crump, And the glad worm, aspiring to the sky, Emerges suddenly and makes you jump.

1 Verbs to Use for the Word  crumps