The act of driving a motor vehicle down the interstate while tired or intoxicated and "bumping" back and forth between the rumble strips when you pass out. Just like in bumperbowling, the ball reaches it's final goal, but not without some assistance from going in the gutter.
"Man I was way to tired to be driving last night. I was bumper bowling all the way home."
Filling all three of a woman's holes during the act of sexual intercourse, as if she was a bowling ball. This can be done by three men, or by one man using the penis and hands (a modified shocker) or by one man taking turns at each hole.
Husband: "Hey honey, can I go bowling tonight?"
Wife: "Sure, let me grab the lube"
Everyone likes bowling, so this is a phrase for when you want to tell someone to stay positive. For example, if someone tells you they lost their job, you can just tell them to "Keep it Bowlin’" and that’ll cheer them up.
"Keep it Bowlin'"