BMF- the one call option. The person you can call no matter what the time or what the reason or where you are who will come without question and get you outta there, or at least provide lawyers, guns and money.
Thank goodness my BMF Bail money friend was sober, or else I never would have gotten out of that speed-trap town.
Paper currency (usually benjamins) stored in a cowboyboot in the back of one's closet in attempt to avoid scrutiny from a significant other or spouse. This money is usually reserved for questionable activities that require heightened discretion.
setting: two guys walk into a strip club
Guy 1 (handed a wad of cash by Guy 2): No way I can accept five hundred dollars in cash
Guy 2: Don't worry about it, dude, this is bootmoney