When your girlfriend thinks you're going to fuck her doggie-style, but at the last second you shove it up her ass. Her eyes open so wide in shocking surprise that they light up the whole room.
The room was so dark I couldn't find my car keys, so I gave my wife a Brooklyn lantern. I found them.
Performing a sexual act with a Mag Lite Normal in the Anus, sometimes in the vagina. The light side should be on the outside so the light can be flashed around the room.
Jermahl: hey Ryan it is dark in here, have you seen my maglite?
Ryan: hold on let me pull my pants down and I will break out with the "Old Brooklyn Lantern"