¿Qué es 'ontas', el nuevo fenómeno viral sexual?

(Tomado de 20minutos) https://twitter.com/Aitanax/status/1119296660994129921 https://twitter.com/AlejandroSanz/status/1118974223517650946 https://twitter.com/DrakeBell/status/1118927597830672385 https://twitter.com/DulceMaria/status/1118999184877735936 https://twitter.com/SoniaSweetC/status/1119169186071285760]]>