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2.
When you see someone quickly close their laptop screen when someone else enters the room
Hey man, what were you close our chat at 10pm? Aw dude I had to do a porn slam because my mom came in
by Dampornslam October 25, 2011
 
1.
the act of quickly slamming closed the top of your laptop when someone walks in the room to hide that you've been watching porn
When Jack's mom entered the room, he executed the fastest porn slam ever seen.
by NFL JACK October 24, 2011