mysterious/coy/cool, but it simply annoys the person they are talking to.sometimes followed by “but definitely did” to make the phrase twice as useless.
Normal Person: You’re annoying, shut up.
Caitlin: I may or may not have met Miley Cyrus yesterday!
Mike: What do you mean ‘may have’? Did you or didn’t you?
Caitlin: I did!
Mike: Well you could’ve just said so.