Carpooling

[Rihanna]

the activity of a group of people travelling together in a car, especially to work or school:

[Zipporah Schumaker]

When you cum inside a woman during anal. Then when shes goes to the bathroom, shes [dropping] her kids AND [your kids] off at [the pool].

[Lizzy Liz]

When two to four guys are interested in the same girl and form an [alliance] in order to get the girl to like them and share. When there are more than four guys it is called busing. See [polygamy] or [mormonism].