at the mercy of

(1) adj - situation whereupon a male is undeniably at the mercy of his high-maintinence girlfriend & answers to her every beck and call, usually followed by the reprioritizing of girlfriend over friends, family, school, food, water, and air.\r (2) adj - making decisions based on the incentive of sex > (1) omg, tom's girl has him so fucking pussy whipped that instead of going to the yankees game with me and the boys, he spent his whole weekend at the pottery barn expo, picking out ceramic cats and china patterns