Rule 34 Dev - ! 2boys age_difference arm_behind_back ass back barefoot bill_cipher black_eyes brown_hair cap child closed_mouth colored dipper_pines disembodied_penis disney disney_channel disney_xd erection facing_viewer feet from_behind from_side gravity_falls grey_background hand_on_another's_penis hand_on_own_ass highres huge_penis laughing legs licking licking_penis looking_at_viewer lying male male_pubic_hair mostly_nude multiple_boys multiple_views navel nipples nude on_side open_eyes open_mouth oral penis penis_grab pointing pubic_hair rekoc saliva saliva_on_penis short_hair shota simple_background size_difference sketch smile spread_legs squatting standing testicles tiptoes toes tongue tongue_out veins veiny_penis vest yaoi|4091151214