abs anal anal_insertion anal_penetration anthro arms_behind_head balls biceps big_muscles candy_cane cat chest_tuft christmas erection feline flexing fur grin hat heterochromia holidays humanoid_penis improvised_dildo insertion linlvjia looking_at_viewer lying male mammal muscles nipples on_back pecs penetration penis pose presenting santa_hat smile solo spread_legs spreading teeth topless tuft x-mas