1)Cray cray
-Don't eat up all the cinnamon, that's cray cray.
-Don't go skydiving, that's cray cray.
-Don't eat that living octopus, that's cray cray.
Definition: really crazy
2) Long haul
-Unlike the British colonists in India, the settlers in America were in it for the long haul.
-Liverpool should not expect the new coach to work miracles immediately, but expect them in the long haul.
-The government policy to enforce birth control will only see benefits over the long haul.
Definition: over a long period of time.
Etymology: from planes.
3) Have an ace up your sleeve
-Charles Ingram had an ace up his sleeve in "who wants to be a millionaire", because another contestant was coughing to give him clues.
-In World War 2, the Allies had an ace up their sleeve, by having better code breakers.
-Lance Armstrong had an Ace up his sleeve, by popping more pills than other cyclists.
Definition: to have an advantage that other people don't know about
Etymology: from card games, aces.