Terrence Howard says he has hard proof his ex-wife extorted him ... threatening to expose details about his genitals to the world unless he paid her handsomely. Terrence just filed legal docs in his spousal support war with Michelle , who got 5 years worth of support for a marriage that only lasted a year. In the docs filed by his attorney Brian Kramer, Terrence says he secretly recorded her saying, "I can make a good $2 million right now ...