When you are walking down the street and someone gets in your way so you lean your shoulder into him when you collide.
That lame ass was looking down at his iPod while walking so I shouldered him.
by SirFWALGMan September 25, 2009
To have a shouler up your vagina
When Olivia jumped off of Jonathans shoulders, she got shouldered
by WOOO* June 30, 2008