A blank browser tab generally opened while viewing questionable material in another tab. Often switched to quickly if another person walks into the room, in an attempt prevent them from seeing what you were doing.
As Nathan watches porn he often makes sure he has a dummy tab opened in case his mom walks in.
A term used in Connecticut for the dance that was made in the 860 area code, particularly Hartford. It involves imitation of common activities such as making a Rubix cube and shooting guns.
"Yooo you saw how he was freaking it at the party? I wish I could dum out like 860 heads."
"I'm a pro at dumming out, play some Gangstalicious for me."
"You cant dum right my guy, you're from 203."