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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!"
by The BGK King March 09, 2009
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