It's "hooking up," the vague phrase use to describe what happens between two people who do not necessarily have any foreseeable future or even a hint of commitment. Hooking up is a bunch of things (or it is not, depending on whom you ask).
Some girls considered sexting and sexy video chatting a way experiment with sex safely (at last as they saw it). Are selfies empowering or oppressive? Is sexting harmful or harmless> Is that skirt an assertion of sexually or an exploitation of it?