his favorite candy
Since you are the boyfriend of the mother of the bride you should go out shopping with your mate and it's etiquette that the gift come from both of you or, she could help you out choosing something for her daughter.
A Ring???????????
A chaperoned massage.
a <3 (heart) locket witha pic of u and her in it!
You give him the best and unique kiss. You need to let him know that you care a lot about him.
Something sentimental or a gift card?
Sexy and black!
peace
flower
a gift for what? birthday? just because? flowers are always sweet. its something she will definitely remember too
The gift of supernatural selection to travel through time.
Probably the best gift you could give her is time with you. Maybe spend the day with her just talking, make lunch or dinner or do whatever she likes to do.