11:82d_animationanimatedanimated_gifdragonduoequidequineerectionextreme_size_differenceeyes_closedfemaleferalfriendship_is_magicgenitalshairhasbrohorninterspecieslarger_malemacromalemale/femalemammalmasturbationmotion_tweeningmy_little_ponymythological_creaturemythological_equinemythological_scaliemythologyopen_mouthpenilepenile_masturbationpenispurple_hairquadrupedrarity_(mlp)scaliesexshort_playtimesize_differencesmaller_femalespike_(mlp)swfponytailunicorn