Poker probability frequencies are calculated in a manner similar to that shown for 5-card hands, except additional complications arise due to the extra two cards in the 7-card poker hand. The total number of distinct 7-card hands is formula_3. It is notable that the probability of a no-pair hand is "less" than the probability of a one-pair or two-pair hand. The Ace-high straight flush or royal flush is slightly more frequent (4324) than the lower straight flushes (4140 each) because the remaining two cards can have any value; a King-high straight flush, for example, cannot have the Ace of its suit in
Four flush frequently by screenwriter John Hughes as something of a trademark. In National Lampoon's Christmas Vacation, Clark refers to his boss as "four flushing" in his tirade over his corporate Christmas present; in "" it is used by the mafia boss Johnny in the fictional film "Angels with Even Filthier Souls"; and in "Uncle Buck", a quite drunk Pooter the Clown calls Buck a four flusher when ordered to leave the family home, which results in Buck punching the clown right in the face. Four flush A four flush (also flush draw) is a poker hand that is one card short