It means that your crush noticed you, and wants to talk to you but might not know what exactly to say.
there grining
She probably has a little crush on you. or she's wondering what's on your face.
It sounds like they have a crush or they were just looking at you. If they do it a lot, they probably like you. Try talking to them a little more, and be a judge as to whether they are into you.
The person could be thinking of something funny, or he/she is in good mood or the person is smiling at you.
i think someone has a crush
woman crush wednesday and man crush monday
It means that your attraction for your crush is waning.
Your crush is paying attention to you.
that they probably have a crush on him to.
When your crush acts mean it means that he likes you but he doesn't want to show it.
They could be an insecure person; in some cases, a crush is mean to you to hide their true feelings.
?u have a crush