"Louis the Stammerer" shine sunan laƙabi na Louis II, wanda shine Sarkin Yammacin Faransa (yanzu Faransa) a ƙarni na 9. Ya sami wannan laƙabi ne saboda rashin iya magana, wanda hakan ya sa shi yin tuntuɓe a lokacin da yake magana. A cikin mahallin ma'anar ƙamus, "Louis the Stammerer" za a iya bayyana shi a matsayin ɗan tarihi wanda ya riƙe wannan suna kuma wanda aka san shi da wahalar yin magana sosai.