1. make out with someone
2. get together with someone (as a date)

Getting intimate without getting emotional.

another word for full-blown kissing. eg french kissing...maybe a little bit of groping

To have sex with someone you are not currently dating or are in a commitment type of relationship with. This may occur when going on a date or on any random occasion.

When people Hook-up, it having sex. most of the time with no stings attached

A sterotypical "no strings attached" kind of thing. Mainly occurs at parties, sometimes spontaneous, more times than others though brought up earlier through conversation or texting. Not completely random, but typically the only people who would hook up with eachother are sex crazed men and easy girls. Talked of highly, which it really is looked down upon by others behind their backs. Usually the two people do not continue conversation with each other after "hooking up" either making out, touching, feeling, sex, anything sexual. Done in private or in public.

an informal agreement for people to get together at a subsequent time