What is Fooling Around?
Sexual activities between two people which normally involves getting to 2nd base (hand-jobs, fingering) and/or to 3rd base (blow-jobs, eating out).
Mike and I were only fooling around last night, we didn't actually fuck.
The act of partaking in activeties with the opposite sex that may "raise an eyebrow" so to speak
Riding in cars with boys, making out, etc...
Making an idiot of oneself. Acting immaturely.
Stop fooling around
Having sex with someone for pleasure without a relationship.
They were "fooling around" all night.