One of those chill kinda girls who are feisty and hot as the sun. They may be loud and crazy but they can sure make out, and twerk like nobodies business. Jessamies are often extremely hot and everyone wants to be them. Some people might refer to someone who is amazingly crazy as a Jessamie.
Verb - To get in the way of a coworker who is perfectly capable of handling a task singlehandedly and taking over the task as your own for no apparent reason
I was sweeping the floor, I was nearly done, I had all the dust in a pile, and Bart came over and started jessandeering the pile with a broom he had sprinted to get seconds earlier.
If a girl is named Jessame, she is usually really help it, but if she likes someone, she will not listen to other people's opinion on this guy she likes, so if you ever know someone Named Jessame that likes a guy, just suggest once that that person may not like her. Her personality is usually really stubborn, if you say: "Oh we cant be friends anymore" as a joke, she will take it seriously. So never say that
Person 1"Oh, one of my friends will not listen to my suggestions that a guy doesn't like her."
Person 2" well then, if your friend is like that, she may be a Jessame!'