flim·flam 
(flĭmflăm′) Informal
(flĭmflăm′) Informal n.
1. Nonsense; humbug.
2. A deception; a swindle.
tr.v. flim·flammed, flim·flam·ming, flim·flams
To swindle; cheat.
[Probably of Scandinavian origin.]
flimflam′mer n.
flimflam′mer·y n.