fi·na·gle 
(fə-nāgəl)
(fə-nāgəl)v. fi·na·gled, fi·na·gling, fi·na·gles
v.tr.
1. To obtain or achieve by cleverness or deceit, especially in persuading someone: finagle a day off from work; finagled a reservation at the popular restaurant.
2. To cheat; swindle: shady stockbrokers who finagle their clients out of fortunes.
v.intr.
To use clever or deceitful means to obtain or achieve something.
[Probably from dialectal fainaigue, to cheat.]
fi·nagler n.