What is Marathon Man?
1.
a prick who takes a whole hour outside of foreplay to bust a nut while u slowly chafe to death.
Many men are also marathon men.
See
2.
when any sexual couple has intercourse on a bike, while swimming, while running 26.2 miles and jumping out of n airplane. the receiving partner then takes a dump while falling from the sky!
I am so tired,I just ran a marathon man!