an invitation that you are not supposed to except, because you were hesitantly, i mean "not really" invited. the nonviter makes the event sound lame and uses phrases like "come if you want" or "your welcome to join us"
Sophie: R u going to the chili contest tonight???
Sophie: boo hoo, let's go out!! i'm so excited to see you!
Paliswamy: ya see, i'm meeting cool tony and his cool friends at a bar near my place soon. you can come if you want
Sophie: was that a nonvite?
Paliswamy: look, your welcome to come. i hate the bar near my place. it's gay. your totally welcome to come though, really
Sophie: nonvited again