roll around

verb5

1. •
   To move about on the ground while rotating and turning one's body.

   • Pigs like to roll around in the mud.
2. •
   Of a time or event: to come up; to happen.

   • By the time Friday rolls around, I'm ready for the weekend.
3. •
   To be considered, without much coherence, in someone's mind.

   • I'm going to write a book because I've got all these crazy ideas rolling around in my head.
4. •
   (slang) To indulge in sexual intercourse (with).

   • I know a girl who's fun to roll around with, but can't have a conversation.
5. •
   (informal) To laugh very heartily.