#yay

What does "yay" mean?
YiğitArasYazıcı, YouAndYours, YearsAndYears, YingAndYang, YinAndYang, YetiAndYolo, YouAgainstYou, YuppiesAtYummies, YolAçıkYolaÇık, YOURbabyAndYou, yinAndYang, you_are_you, YoungAndYestless, ying_and_yongsen, yearsAndYears, YearsaAndYears

yay-a 613524 yay-y 335486 yay-o 110548 yay-la 176555 yay-me 276935 yay-yy 205923 yay-oi 64977 yay-oikusama 229295 yay-yyy 99590 yay-ay 45094 yay-adub 143399 yay-area 112242 yay-as 22466 yay-us 25900 yay-ornay 91885 yay-aya 60149 yay-aurassaya 89531 yay-yyyy 46277 yay-ın 21217 yay-a urassaya 19560 yay-lası 21382 yay-asan 13066 yay-aurassayas 21064 yay-itsfriday 16518 yay-hamlet 30283 yay-atoure 19826 yay-anadech 20814 yay-gay 5863 yay-spring 15580 yay-burcu 7978 nadech❤yay-a 9193 yay-friday 14628 yay-a urassayas 9117 yay-everyday2016 8006 yay-adubph 9767