take a hot shower, try to get them warm and pliable. then use some sort of oil -- emu or jojoba would probably be the best but vit. E (or hell, olive if that's all you've got) to cover the plug and your lobe. try to work the oil into the piercing as best you can, then try to remove the plug as if it were a button and your lobe is the buttonhole (try wiggling it out, if that makes any sense). try not to tug or pull on your lobes, it's just gonna piss them off and make them swell up. if that doesn't work I'd go see a piercer tomorrow and maybe they could help -- sometimes just having a second set of hands and a different perspective can make all the difference. and in the future, I wouldn't keep DFs in for so long : ) good luck!
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8g lobes (6g goal size)
8g right conch
right nostril
bunny tattoos! : D