Definition:
1. Dating someone on a regular basis.
2. Casually dating someone to see if a romantic relationship follows.
3. Starting a relationship with someone.
4. Engaging in physical contact, such as sex.
5. Having non-monogamous sex.
Also Known As: casual dating, crush, date, friends with benefits, go steady, hang out
Alternate Spellings: hook up, hookup, hooked up
Examples:
"I didn't realize the two of them were hooking up."
