A man or woman moving in and out of a woman's pussy when they're fucking. The faster a man or woman will thrust, usually leads to orgasm or can make the woman cum that they're fucking.
I thrust when I fuck her
It brings her such pleasure I'm gonna give her an orgasm and make her cum again
A fast forward/backward movement of the hips, usually in sexual activity.
Scientists are currently proving that every human male goes through a "thrusting stage" slightly before he hits puberty and throughout his early teenage years.
A movie called "The Thrust" is currently being filmed on such phenomenon.
Hip thrusting is also a popularsports celebration and on some sports occasions, it is illegal to thrust more than 2 times.