FURVERT!

2016 4_fingers 5:3 against_desk against_furniture against_surface all_fours anthro anus athletic backpack backsack balls bent_over bent_over_table biceps black_border blue_bottomwear blue_clothing blue_eyes blue_jeans blue_pants bodily_fluids border bottomless bottomwear brown_body brown_penis brown_scales brown_skin butt butt_grab chair chalk chalkboard chart classroom claws clothed clothing collarbone denim denim_bottomwear denim_clothing desk dinosaur drawing_(object)drawing_in_a_drawing duo erection evolution evolution_chart fersir finger_claws fingers flaccid foreskin fungus furniture genital_fluids genitals glans green_body green_penis green_scales grin hand_on_butt hoodie humanoid_genitalia humanoid_penis information_board inside jeans kloogshicer leaning leaning_forward looking_back male male/male markings mottled mottled_body mottled_scales multicolored_body multicolored_scales muscular muscular_male mushroom nude open_bottomwear open_clothing open_pants orange_eyes pants partially_retracted_foreskin pen penis pink_anus pink_glans pose precum prehistoric_species presenting presenting_hindquarters raised_tail reptile saurischian scales scalie school shirt smile spread_butt spread_legs spreading story story_in_description stripes student table tail tan_body tan_penis tan_scales teacher teacher_and_student teal_backpack teal_clothing teal_eyes teal_hoodie teal_topwear teeth theropod topwear trevor_(fersir)tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex unprofessional_behavior white_clothing white_shirt white_topwear writing_utensil yellow_eyes