Urban Dictionary: y/o

2.	y/o
	It's how Minnesotas abbreviate YOU/KNOW cuz they say it over 50 times a minute "He's the perfect face of Ryan Reynolds, y/o that?" "You betcha!" buy y/o mugs & shirts y/o yo you know don't you know dontcha know by Moonrockraindance Jan 11, 2012 add a video
1.	y/o
	abbreviation for 'year old' ...the most dumbest 17 y/o you ever heard :) buy y/o mugs & shirts year old year old y/o yearold by teh nazi \| cheesecake Apr 21, 2006 add a video
3.	y/o
	Dual conjunction to replace the term "and/or". Etymology: Spanish origin. Your heart is black y/o shriveled. buy y/o mugs & shirts and or and/or spanish o/y neither by A Like the Fonz May 16, 2008 add a video