NBILLT (pronounced "En Bee Ill Tee" stands for "Never Been In Love Like This," and it is used to describe an obsession that arises after a hook-up or first-time encounter.
1. Jennifer: "Thomas bought me flowers and cake... omg NBILLT!!!"

2. Diane: "I met this guy last night, and now I'm NBILLTing so hard!"

3. Max: "I saw Genie today and she's so hot... such an NBILLT!"
by sneakydick December 18, 2013
Get the nbillt mug.