欠

The knife stuck in the person's flesh. Now he's gone, to lack him and be deficient of him is only disgrace. We owe him an eulogy.
by scaccabarrozzi

That PERSON is tou[chy ‘n] temperamental because I <owe> him a KNIFE. Once I return it to him, he’ll calm *down*.
by vms5q

The repo man threatens the guy with a knife to get him to pay back the money he owes
by lilytlei

Knife by the throat means you owe something.
by Nomi