Uptight in an utterly conceited sort of way.
Someone who 'acts' as if they are completely superior towards/around another person.
Someone who's of the perception that they are 'better' (physically and mentally) than another.
"Me and Jen went to Saks the other day, she's a completely different person over there, actin all sadiddy"
"Yo, if you wanna roll and chill tonight we can do it, but don't try to be actin' all sadiddy around my homies"
"I am not goin' to the club with HIM","Stop bein sadiddy and lez' go."
Saddiya is a intelligent person, she is a good listener and she will always be there for you. She is a beautiful girl, she loves you to the moon and back and she loves to eat. She will keep your secrets and any boy will be luck to have her.
Saddiqah is a person who is a little insecure. She is sweet and an amazing person. She will always help her friends no matter what. If you get to be with her than you are lucky