A fork of Rural Dictionary
Homosexual intercourse; referring to lesbian vaginal sex.
Jackie and Stacy were going bumper to bumper last night...and by that, I don't mean their cars.
"I like when they say bumper to bumper."
When There is a traffic jam and the cars almost touch each another. Traffic Jam
Oh man, look over there: there is a terrible bumper to bumper on that road.
A lesbian. Usually in an office setting.
I know she is a beautiful receptionist, Shahid , but she is a bumper-to-bumper humper. Sorry, man.