1 definition by The ball buster
A sexual act involving 5 individuals: 3 males and 2 females. The Last Train to Paris is when a male and female form a train of sexual intercourse, leading up to the remaining two males performing an Eiffel Tower. Hence "The Last Train to Paris".
Hey broski, remember that time where we walked in on Jeff and his friends catching the Last Train to Paris?
by The ball buster October 11, 2011