Noun
y.o. (plural y.o.)
Abbreviation of year(s) old; also yo, y/o.
In high school, I was physically bullied by 17 y.o. boys, in a sexually humiliating way (but not sex). It affected the direction of my life. They never apologized. Still, I wouldn't hold that against them if they were nominated for the Court. They were boys. Rod Dreher
“As an ER doc, I’ve lost 3 colleagues and a 27 y.o. healthy cousin to this virus. Source: Internet
Just working off of Dreger’s speculated term/AAV, 29 y.o. Tyson Barrie joins EDM for all the right reasons. Source: Internet
Or the 73 y.o. with metastatic lung cancer with a three month life expectancy who wants to suffer through a pointless round of experimental chemotherapy that will leave them nothing but suffering till the day they die. Source: Internet
This disease affects, everyone: 23 y.o., 35 y.o., 45 y.o. with zero medical problems. Source: Internet
I have a horse-obsessed 7 y.o. (daughter, of course), whom has just become confident reading chapter books. Source: Internet