Top definition
1.) A pact with Satan in which the initiators soul is exchanged for some worldly desire.

2.) The willingness to sacrifice anything in order to quench a limitless desire for knowledge or power.
For both 1 & 2: John McCain has undermined his past values and reputation as a conscientious independent voice by making a faustian bargain in order to secure the Republican nomination for the 2008 presidential election.
by Alexander Vasarab May 13, 2006
Get the mug
Get a faustian bargain mug for your bunkmate Rihanna.