One of those awesome grannies that gives you a shitload of cash everytime she visits. They were major ravers back in their day and they tell you all about it. They also let you get away with fucking everything!!
" My granny is a Slam-O-Gram she just gave me a fifty"
"Check the Slam-O-Gran playing the mean base"
"That's one wicked Slam-O-Gram, i hear she gives wicked pressies bitch!"