1 definition by JOHN DOE23

Top Definition
A sexual act perfomed by a male and female. Where the female bends over and touches the floor, while the man runs out of the room there in, then stops at a distance where he thinks he can gain enough speed to complete the act...the act is that the man runs back into the room and when he reachs the door he leaps and trys to stick his sex muscle into the girls anal passage way...
Man talking to his friend:
Man 1: Man I tried to do the running man last night and broke my love muscle
Man 2: damn that happened to me before
by JOHN DOE23 May 28, 2008

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