A male having sex with a random female, not to be used with people in a relationship. Obviously skinboat means penis and tunatown is the vagina.
Kiran met a random drunk girl and got caught taking the skinboat to tunatown with her on the floor.
by MAN!!!!! September 06, 2006
She let me take the Skin-Boat to Tuna-Town without even a "HELLO!"
by Kyle February 12, 2003