n.
1.a passageway through or under something, usually underground (especially one for trains or cars)
2.a hole in the ground made by an animal for shelter tunnel v.
1.move through by or as by digging
2.force a way through
Idiom of the Day
twist (someone) around one's (little) finger
to have complete control over someone and be able to make them do what you want
The woman is able to twist her supervisor around her little finger. She gets whatever she wants at work.