minute man

noun3

1. •
   (historical) During the American War for Independence, a citizen-soldier who would fight for the Patriots at a minute's notice.
2. •
   (slang, offensive) A man who reaches orgasm undesirably quickly during sexual intercourse.
3. •
   The cyclist starting one minute ahead of, or behind, another rider in a time trial.

   • I confess that the sight of my minute man ahead, getting closer and closer, gives me a little more drive even when I think I am going as fast as I can. — 1986