Burn(ed) This(or That) Mother Fucker Down - A state of frustration at which a person becomes so jaded and/or frustrated with a person or company that they commit horrible crimes in retaliation for real or percieved grievances. This is especially the case in some
government employment situations where quitting your
job would result in an AWOL status.
The character
Milton in "Office Space" BTMFD when Initech stopped paying him.
John was ready to change assignment to the
computer administration
unit, but when he heard that he was going to be kept in maintenance, he almost BTMFD.