Hooking up means meeting people for the purpose of having sex, generally not having any sort of relationship afterwards. Meeting someone new, or someone you already know and proceeding to having sexual intercourse withoutany intention of keeping a relationship type commitment. Hooking up is usually a one-time thing.

What is hook up relationship?

Hooking up is used to describe a sexual encounter (vaginal, anal, or oral sex) between two people who are not in a dating or serious relationship and do not expect anything further, their study says. Theres more risk than having sex when its planned.