| YA |
Yet Another |
| YA yaya |
Yet Another Ya-Ya (as in yo-yo) |
| YACC |
Yet Another Calendar Company |
| YAFIYGI |
You Asked For It You Got It |
| YBF |
You've Been F***ed |
| YBS |
You'll Be Sorry |
| YCT |
Your Comment To |
| YDKM |
You Don't Know Me |
| YEPPIES |
Young Experimenting Perfection Seekers |
| YGBK |
You Gotta Be Kidding |
| YGBSM |
You Gotta Be Sh**ing Me |
| YHM |
You Have Mail |
| YIC |
Yours In Christ |
| YKW |
You Know What |
| YM |
Your Mother |
| YMMV |
Your Mileage May Vary |
| YNK |
You Never Know |
| YOYO |
You're On Your Own |
| YR |
Yeah Right |
| YRYOCC |
You're Running on Your Own Cookoo Clock |
| YSAN |
You're Such A Nerd |
| YSYD |
Yeah, Sure You Do |
| YTRNW |
Yeah That's Right, Now What? |
| YTTT |
You Telling The Truth |
| YUPPIES |
Young Urban Professionals |
| YW |
You're Welcome |
| YWIA |
You're Welcome In Advance |
| YYSSW |
Yeah Yeah Sure Sure Whatever |
