To accelerate through first base (french kissing), onto second base ("heavy petting") to third base (oral sex) and finally coming around to home plate (sexual intercourse).

A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.

completely fucking blacking out from anything past advil

1. to have/had sex. to get laid
2. a condom

1. To have sex with
2. To hit a baseball or softball over the fence

To engage in the act of sexual intersourse, can follow the other bases but doen't have to

When you skip to the fourth base with someone, or complete all four in quick succession.