A discipline of masturbation characterized by extraordinary vigor and skill, as well as enormous genital peril. In trained hands, double fisted monkey style can form a glorious, balanced union between a man and his fingers. In untrained hands, it can lead to genital fracturing, inversion, or worse.
"Dude, Bob tried Double Fisted Monkey Style last night."
"Oh no! I warned him! Did he survive?"
"The hospital said he might eventually recover partial use of his legs. They dug his penis out of a tree two miles downwind."
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.