I think he's trying to say, "Yosemite's", but someone forgot to type it phonetically for him, so... Yo Semites, it is.

What a fucking idiot. #25thAmendmentNow pic.twitter.com/pywWGbZEax

— Holly Figueroa O'Reilly 🌸 (@AynRandPaulRyan) August 4, 2020