*read :lol: :icon_twisted: :blush: if so please you'll be rewarded!.
Do you mean a genre that's dedicated to toilet humor, or something that just often has toilet humor in it? Not really sure what you mean, but Tropes would be a good place to start for genre ideas and examples of TH in cartoons.
http://tvtropes.org/pmwiki/pmwiki.php/Main/ToiletHumour