fanging it up

the art were a person pokes out their teeth beyond imagination

The "gang sign" created by Gabe Saporta, lead singer of Cobra Starship (Snakes On a Plane, Guilty Pleasure, The City Is At War) used to pump up the band's crowd; Involves the middle and index finger of one hand being bent like a hunched over peace sign, and the other hand covering the top of the first hand, so as to make it look like a cobra's collar and fangs.

the hand symbol of the band Cobra Starship.
Formed by "placing two bent fingers of your right hand in front of the open palm of the left hand".