Flush

Flush has several meanings:

Flush (physiology), to become red in the face and often other areas of the skin
Flush (cards), a hand in card games
Flush (poker), a hand in poker
Flush text, in justification (typesetting)
Flush toilet, a toilet using water to dispose of waste
Flush (slalom skiing), a consecutive series of vertical gates

Media
Flush (novel), a young adult novel by Carl Hiaasen
Flush: A Biography, an imaginative biography of Elizabeth Barrett Browning's dog, by Virginia Woolf