My gifts usually aren't that mean, I think the meanest gifts my mom ever gave me were when I was in high school - I would have really specific requests for clothes. I desperately wanted a pair of skinny jeans, a pair of vans and this black Emily the Strange hoodie with cat ears. I was always more into the goth side of fashion and my mom hated it, so she always bought me things that were extra frilly, bright pink or from Hollister - which I hated. At the time, I felt like I was being a brat and pretty much never said anything but thank you. Most of the gifts I get from her these days are pretty thoughtless. She hops over to TJ Max or Marshall's the day before my bday or xmas and buy something that looks nice a nice gift.
The meanest thing she ever did though was on my birthday before this last one - she was supposed to throw me a birthday/bridal shower party. I gave her all the addresses of everyone to invite to the party and a week before she calls me, and asks if we can reschedule. I was two months away from my wedding and every single weekend had been planned for, or I had to work, so she knew we couldn't. I told her no, and she insisted that we'd still have the party. I came home that weekend and she cried and told me no one was coming - she never sent out the invitations. My grandma was there as well, which was great because someone finally got to see what the hell my life was like with my mother. I remember her saying "wow, you're being really calm about this." My mom also hadn't bought anything to give me as a present, so she and my grandma had to leave to go to Marshall's. I called my best friend and she came over and I cried. I was supposed to show up to a party - I really thought that my mom was going to do something nice for me. When they came back, my mom had a bunch of "sexy pajamas" to give me and some champagne glasses that I thought she'd already given me. When I tried to talk to my mom about how hurtful this all was later, she insisted that I was actually upset about the presents. No, just the lack of thought, love and consideration. :/