noun
[noncount] informal
dishonest behavior meant to take money or property from someone - usually used before another noun
He lost all his money to a flimflam artist/man. [=a criminal who steals money from people by tricking them; a con man]
foolish or deceptive words :nonsense
verb
-flams; -flammed; -flamming
[+ obj] informal :to trick (someone) in order to steal money