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to engage in the act of ejaculating onto the cranium of a well educated individual.
-"...when I get a hold of that naughty little Physics student I'm gonna splatter on her grey matter...Hoo Yaaahh!!"

"...when he pulled out last night I expected a facial cumshot...but no, he proceeded to splatter on my grey uncouth!!"

*grey matter splatter...when a dumbass bitch just won't do...*
by BurqaBlowjob October 25, 2009
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