(poker) To attempt to pass off a four-flush as a flush. / (figuratively) To bluff.

(poker) Four cards of the same suit.

(UK, poker) A potential flush which ultimately was not filled. / (UK, idiomatic) Anything which ends up worthless despite great potential.

(poker) A hand that is both straight (the cards are all in sequence) and flush (the cards are all of the same suit).

(card games) a hand containing three cards of consecutive value and the same suit in three card brag; equivalent to a straight flush in poker

(UK, Australia, New Zealand) A sudden, but brief, sensation of heat over the entire body; a common symptom of the menopause.

(poker) Ace-high straight flush; a hand consisting of the cards A, K, Q, J, 10, of the same suit. This is the rarest and strongest hand in poker.

plural of flush deck

(nautical) A deck that is continuous from stem to stern at the same level.

plural of first flush