Im just that bitch means: im the irony queen and yall should be friends with me or you guys are my bffs and your my bitches, im full of sarcasm and crazieness and i am just that bitch.
When someone likes you but they quickly stop liking you causing you to be in confusion
Person: *likes you*
You: Hey, i think I might like u back..."
Person: nvm *does not like you*
You: I just got leila'd...
Person: You just got leila'dddd