Noun Financial submission. Someone (typically in a D/s M/s relationship) who enjoys having their Dom/Domme Master/Mistress control their finances and spend their money. see also: life
Dick: I wonder why Bob had to cancel his vacation?
Jane: Bob is a finsub. His Master drained his bank account on the last shopping trip.
Jane: Bob is a finsub. His Master drained his bank account on the last shopping trip.
by randroid January 2, 2015